• Published 24th Jan 2021
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Interview with a Foal - Foal Star



Dr.Whooves's time machine malfunctions causing him to regress into a foal and now has to go on a journey through time and space to turn back to normal.

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Chapter Four: A Foalish Promise

Author's Note:

For anyone reading this I apologize for making you wait a year for an update for this story. Life last year got really busy for me and I did my best to update and pump out content and this is one of the few stories I didn't have time to get back to. So here we are in 2022 and I thought this was a good story to update in the spirit of the New year!

Twilight slowly rubbed her eyes and blinked, trying to gauge her surroundings as she began to wake up the following morning. The mare looked realized that must’ve fallen asleep during Dr. Whooves’ story and it was the following morning seeing that the sun’s rays running down on her face. Then she saw a little violet-coated filly running over with her blonde mane and tail flowing around her. She peered up with her piercing gold eyes and chirped, "good morning, Twilight!"

"M…morning…" Twilight yawned as she peered down at a young filly. She clambered up and asked, "so you saw my daddy too, huh?"

The mare blinked, trying to figure out what the little filly was implying; then, it dawned on her that Dr. Whooves, who turned himself into a baby, was indeed this filly's father.

The filly continued to stand there looking up with those piercing gold eyes and continued, "Yes, I did…but um, what's your name?"

"Oh, I'm Dinky Doo! And what's your name!" then little filly chirped in response.

"Her name is Twi…um…Twi something?" Derpy mumbled as she trotted over with a platter of hot chocolate and porridge.

"It's Twilight Sparkle, but thank you," Twilight replied rather abruptly, trying not to be rude when correcting her host.

"Yeah, thanks! This is great!" Dinky chirped in response as she also took a mug and their breakfast. Derpy placed her husband in a playpen nearby whose cheeks were red as they finished. "Sowie, I saw ya fell asleep, and then I dozed off not long after."

Twilight cheeks flushed pink at how cute the little pudgy doctor looked and trotted over. "Oh, there's no need to apologize. I mean, considering we were going onto three in the morning, I'm surprised you lasted that long considering your age."

The doctor squeaked in response and threw his hooves over his eyes, and whined, "stop it; I'm wike thirty."

All the others laughed as Dr. Whooves placed his hooves over his face with a look of embarrassment on his face.

Dinky then trotted over and plopped down in Twilight's lap and asked, "come on, daddy ya gonna tell the rest of the story, right? You always stop right before ya go back in the time machine."

Dr. Whooves' cheeks flushed red as he then continued. "Yeah, I know, but there's a good reason for that…honestly, I'm not sure if I'm breaking ta rules by telling ya. But tis is ta last year I'm doing tis so I can't see how it hurts."

Twilight then quickly picked her notebook and took out a quill, ready to take notes once more. She read some of her previous notes, and sadly not a lot of it seemed that useful. Still, it was a rather interesting story, so she'll continue to listen. She then looked over to see that Derpy was holding her husband and feeding him a bottle of heated formula. The plump little colt had his hooves around the bottle as he suckled down its contents without a care in the world. Twilight was rather annoyed, but she had to keep in mind this doctor is now a year old baby, so she waited patiently until the little foal finished his bottle before burping and then continued, "Alright, I'll continue ta tale, but I warn ya it gets cwazy fwom here."

Twilight beamed a smile seeing they were finally about to get to the good parts, and then Dr. Whooves continued his tale.


A month has passed since the Cakes learned of my true identity, and I woke up underneath a mass of foal blankets to keep me warm. The entire floor was covered in an adorable light blue padded foam, a changing table in the back of the nursery, toys scatted around in a playpen. It was almost unimaginable how things had changed for me. It was an insult to my status, but with the comfortable diaper between my legs (that was quite soaked in urine as I felt it squish between my thighs), and with how relaxed I was, it was, as I said before, a much-needed vacation and I wasn't emberassed anymore. But as I sat back in my crib staring up at the spinning mobile overhead, I couldn't help believe how much the Cakes went out of their way to care for me and make sure my stay here was comfortable. I realized that I must have woken up abit earlier than I intended. I was about to fall asleep. However, that was when Mrs. Cake came into my nursery with a lovely smile on her face and asked, "good morning, sweetie; how did you sleep?"

"Yes, my stay has been rather wonderful, and I thank you for all the accommodations." I tried to say in the most professional manner I could. But of course, my voice came out in a series of babbles that the adult mare simply couldn't understand.

"Awww, yes, I can see you had a lovely night." the mare cooed; she then took me out of the crib and placed me down on the changing table, and there she wiped my rump and cared for me like as if I was her own child. The mare looked down at me with this melancholy look in her eyes as she finished cleaning me up. I felt rather sad seeing that this was probably the last diaper change she'd be giving me, as today I was going to go back in time and stop myself from using that blasted time machine that put me in such a state.

"I don't know if you can understand everything I'm saying, but you have been such a well-behaved little foal; sometimes I forget you are just a grown stallion that was turned into a baby." Mrs. Cake cooed as she picked me up in her hooves, having me kick about in nothing but my diaper crinkling around me. She then placed me down on her back, and I held onto her lush pink and red mane and held them tightly in my hooves. The smell of her mane was washed with the scent of freshly abled goods such as cookies and cake. Also, she seemed to have learned to trot around with me on her back, having me bounce in rhythm to her steps, making my diaper crinkle rather adorably with each step she took. Of course, my foalish side took over, and I couldn't help but giggle in delight, enjoying the ride downstairs.

"Oh, somepony sounds like they're having fun!"

I couldn't help but blush at my enjoyment, being noticed once more by the plump blue mare. Despite my desire to turn back into a stallion, I couldn't help but have the faint idea of wishing I could stay as a foal just for abit longer. But my wife was home alone trying to do her job as a delivery pony. She had done a lot of work with a time machine, so it's not fair to her while I continue to enjoy being a helpless foal while she's going through so much stress on her own.

Mrs. Cake eventually made her way downstairs. There I came upon the main dining area of Sugarcube Corner and saw, to my amazement and surprise, that the entire room was set up as if for a birthday party. I looked around the room and was rather astounded by all the decorations. There were baby blue streamers, big bright baby blue balloons, and a banner that was overhead that read, "Bye Cocoa! We'll miss you!"

I was overwhelmed by all of this; seeing how much the Cakes and Pinkie Pie would be missing me as a baby, I always felt like I was a chore despite how nice they were. But this party proved they really did enjoy my company and were sad to see me go.

Just as we came onto the landing, Pinkie Pie bounced over with a cheerful smile on her face and shouted, "it's your last day as my baby brother, so I decided to throw you a party!"

Pinkie Pie then picked me up and hugged me into her chest as she cried. "I'm going to miss you, though!"

I tried fighting back abit with my pudgy body squirming about in her giant pink hooves. But eventually, I succumbed to her embrace as she smothered me in her warm pink coat that smelled of candy and cake. At that moment, I couldn't help but feel secure being hugged by the pink party pony.

That was the only thing I could say as my cheeks flushed red and we were settled back down in a highchair. Pinkie Pie then tied a blue bib around my neck as she then started to shove clumps of the gooey foal food into my mouth. I sat there like many times before being spoonfed while helplessly sitting there with the mush being shoved down my throat. Mr. and Mrs. Cake just sat and watched me helplessly eating Pinkie Pie's personalized foal food, which tasted like melted ice cream mixed with cake. Despite how sugary and sweet it was, I had to admit it was rather delicious. I continued to eat the foal food with the occasional foal wipe coming over and wiping my face. I was used to it, but it still made me blush, seeing how I literally built a time machine a few months ago, and now I can barely feed myself without making a mess. After being fed by Pinkie Pie, Mrs. Cake came over with a camera and cooed, "well, before you turn back into a big pony, I'm gonna take a few pictures, is that alright?"

I sat there with my face turning a beat red as I looked up at the chubby mare with that massive-looking camera. Before I could do anything, Mrs.Cake then went about snapping her photos as I sat there and squeaked as it flashed. I didn't realize it right away, but I wet myself a little. Then after Mrs.Cake finished, Mr. Carrot Cake walked over and placed a present down in front of me. "Here, this is something special made just for you."

I really was speechless at the small present wrapped in a blue wrapping paper and a white satin bow. I blinked with a look of surprise on my face. "Ya didn't have ta get me this."

Despite the other ponies not knowing what I said, they must've noticed how somber I was. Mr. Cake trotted over and gave my short stubby mane a ruffle. "Hey, ya gave my wife and me a ton of practice when we have our goals, and you were really well behaved." He then gave me a peck on the cheek and ended his speech, "So don't feel bad about anything we loved having you here."

I gave the couple a smile and a nod showing how much I appreciated their hospitality. I looked back down at the present and started to tear through the wrapping paper, curious at what they got me. Then I gasped aloud upon seeing that they got me an adorable baby blue onesie with "Baby New year's" written on it.

I couldn't help but laugh at the present, seeing that I was the new year's baby!

"Awww, let's dress him up in it!" Pinkie exclaimed as she then picked me up. In a blur, I was suddenly dressed in the little onesie and felt the buttons snap around my crotch, pressing the diaper up into my waist. I couldn't help but kick and coo in my new outfit feeling how snug and breathable that fabric was around my body. I then lifted my hooves and squealed, "thank you!"

The other ponies just dawwed at me once more as I must have looked rather adorable, and Mrs. Cake then took out her camera and snapped a few more photos, all dressed up in my new attire. Despite my grievances, I allowed the mare to take a few more photos of me.

Then almost out of nowhere, I was suddenly scooped up by somepony and looked up to see it was my wife, Derpy Whooves. The pegasus then looked down with a smile at me. "Well, I believe it's time you come back home."

"Yeah, I believe so…" I whispered back. Derpy then gave me a peck on the head as I was then taken to a stroller and strapped in with straps around my rump. One thing I loved about my diaper was how snug and warm it felt around my rump and was pushed out the door.


The ride in the stroller was uneventful, minus all the unwanted attention by other ponies passing by. We eventually made it to my home, where Derpy unstrapped me, and I was placed in her lap as she looked down at me with a smile. It seemed there was something on her mind, but eventually, it appeared it came out. "Now um…be…before you go…I…I just gotta tell ya something."

"Ok, what's on ya mind?" I asked, being somewhat curious at what Derpy had to say. Of course, she didn't hear me as my question came out as incoherent gibberish. My wife then, however, gulped and continued. "Well…y…ya see I… I'm pregnant."

I paused, my eyes wide open at the news pregnant!? Why didn't she tell me this before…a…and when did she find out?". "P…p…pregnant?"

"Yes, I…I didn't know how to tell you, seeing you were so busy with the time machine, and um, I know it's weird telling you now…b…but I…I just found out only last week."

I shook my head as I raised my hooves as she held me close to her; it was a lot to take in with regards to my situation, and that I just couldn't believe I was going to be a father. We just sat there with my wife holding me close in her hooves. Despite how maternal Mrs.Cake was, the embrace of my wife and that aroma of muffins wafting from her was much more delightful. That was when I looked down and noticed that her belly was abit more prominent than how it usually was, meaning she might've been pregnant for at least two months or so. I was just looking up at her with wide eyes at this realization that my wife was having a baby. With that thought in mind, that's what helped me snap out of my delusion of wanting to stay as a foal! I had to focus on turning back into an adult no matter what! No way was I going to leave Derpy to care for our foal by herself!


"Systems check and are ready to go!" Pinkie exclaimed as she bounced up from the basement and into the living room when she found Derpy and I. She blinked, and then a smile grew on her face. "I felt my pinkie sense that something very touching happened, but that can wait, come on! We have a baby to grow!"

I couldn't help but giggle a little at the joke, and at the odd timing it was made. Derpy then took me onto her back as she trotted down the steps and into the basement. Down in the basement full of my various experiments, my eyes were aglow with awe set upon one device in particular. The finished time machine standing before my very eyes! The blue-colored phone booth was in its magnificent glory, equipped with many flashing lights. Inside the booth was a telephone provided with a spinning rotary. It was designed precisely as specified in my blueprints. However, I was still somewhat nervous, hoping and praying that nothing was wrong and wouldn't end up as a disaster like before. Celestia knows if I turn any younger, my mom would probably be giving birth to me again back in Trottingham.

"Ok, seems like we have the exact coordinates!" Pinkie chirped, taking the book and dialing it into the rotary. After that, Derpy trotted over, hugged me one more time, and gave my diaper a check, making me blush as I was slightly wet again.

But Derpy didn't care as she just bent down and whispered in my ear, "You be careful and stay safe."

I nodded and hugged her back before trotting into the time machine. I then looked back at my wife and her pregnant body, seeing that I almost made the biggest mistake in my life, letting my passion for science nearly kill me and leave both a widow and an orphan. I had to make things right and convince my past self not to go into the time machine. Pinkie Pie closed the doors, and Derpy pulled down a nearby lever. The machine then came to life as a deafening sound whirled and screamed as a bright light shined aglow around me. Everything suddenly became relatively bright, like when I first tried my time machine. I turned to face my wife one last time before all I could see was a giant flash of white light blinding my eyes.


"So you turned into a foal the same time Derpy found out she was pregnant!?" Twilight asked as she was sitting there in utter shock upon hearing the rest of Dr. Whooves's tale and saw how dramatic the story was getting.

Derpy's cheeks flushed red, and she snickered, "Yeah, I know, crazy how that happened, huh?"

"Yeah, and my daddy is like my younger and older brother too! Isn't that cool!" Dinky shouted as she started to bounce up and down in excitement.

“Yeah that is cool,” Twilight snickered imaging her dad becoming a foal. The unicorn then looked over to the young doctor and asked, "so are we going to get to the part where you turn into a foal every new year's eve? Because this story just started getting good."

The doctor blushed as he said, "yes, I will, of course…but um…D…Derpy…I require assistance…." The pegasus blinked, being confused at first, and Twilight was abit confused. The unicorn then looked down and saw that the Doctor's diaper was stained yellow and looked rather soaked.

"Oh, he needs a change." Derpy cooed as she picked up the squirming foal. Dr whooves squeaked as she took him away; all the while, Dinky bounded up and ran after her parents shouting. "Oh, I'm gonna help!"

Twilight just sat there in awe at how the story was progressing. She didn't know Pinkie Pie all that much, but she did a lot in helping the doctor, and on top of that, Mr and Mrs. Cake sound like a lovely couple taking a foal in and caring for him if he were their own. The ponies here in Ponyville overall seem extremely lovely and welcoming. But on top of that, she had to admit that the doctor's determination was inspiring with how much he was willing to sacrifice not only for science but for his family. What was shocking was that all of this happened here in what seemed to be a relatively simple town compared to her home in Canterlot. With this in mind, all Twilight could say out loud was. "How in Equestria did all of this happen here in Ponyville?"