Doppel Ganger is an outlaw changeling who has been living in the Everfree Forest for more than a year. Far from all the ruckus his Queen caused with the invasion, he spends a quiet life stealing love from Ponyvillians with his two friends, Camouflage and Mimic. But an encounter with a manticore will give him the worst thing he could catch, a cold.

This seemingly mild illness has terrible effects on changeling's physiology. At each sneeze, the changeling will either lose his disguise, or get a new one without any control over it. Now, it's harder to feed on ponies’ love unnoticed.

Doppel will have to feed on love in Ponyville during the duration of his sickness.

This story is a sequel to Doctor Whooves Episode 13: Clockwork and the Doctor

The Doctor, Twilight, and Derpy head off to the Doctor's home dimension, but something goes wrong and they instead end up in a dimension where they were merely fictional characters in television shows. Things get even more complicated when they end up separated at a certain My Little Pony convention alongside two fans and a mysterious figure with an odd arsenal of powers appears.

This story is a sequel to Doctor Whooves Episode 12: A Dalek in Celestia's Court

The Doctor has been living in Ponyville for several weeks now and Hearth's Warming Eve is just around the corner. However, the peace is shattered when a mysterious stallion from another dimension named Clockwork appears. As the a dark nightmare wreaks havoc, Twilight is forced to examine her true feelings for the Doctor and Clockwork must face the fate of his wife, Twilight Sparkle.

This story is a sequel to Doctor Whooves Episode 11: Parents' Day

The Doctor, Twilight, Derpy, and the others return to 1002 and arrive right in the middle of Canterlot a mere five minutes after their original departure. They arrive to find a troubled pair of alicorn sisters and an eccentric stallion who knows the Doctor well. However, they also come across a Dalek who has named Princess Luna as its next target.

This story is a sequel to Doctor Whooves Episode 10: The Magician and the Angels

The Doctor heeds to Applejack's request and has the TARDIS take them to July 6, 996. It quickly becomes apparent that Applejack has a plan to change a certain event that occurred on this day. But her choice to attempt to change her future could very well lead to the destruction of the entire universe.

Celestia finds herself in a predicament when she finds a bright red dot, and decides to give chase. Will she ever catch the dot, and where is the dot coming from?

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This story is a sequel to Doctor Whooves Episode 9: Triple Rainbow

It's been a month since the Mane 6, Derpy, and Spike started traveling with the Doctor. Things suddenly take a turn for the worse when a foil from Twilight's past mysteriously appears in the TARDIS and they all end up trapped in a seemingly-abandoned asteroid base that has a bad infestation.

This story is a sequel to Doctor Whooves Episode 8: Maiden Voyage

The TARDIS brings the Doctor, Twilight, Derpy, and the others to the Griffin Kingdom in the year 1021. Here they meet a 38-year-old Rainbow Dash training for the Gailenean 1000. Meanwhile, a third Rainbow Dash from an alternate reality appears but with much darker goals in mind.

This story is a sequel to Doctor Whooves Episode 7: The Good, the Bad, and the Derpy

The Doctor, the Mane 6, Derpy, and Spike travel to 4376 and find themselves on a luxury spaceship called the Queen Philippine, which is currently on its maiden voyage. What starts off as an interesting adventure turns into a fight for survival when the ship loses power and becomes host to some unwanted passengers.

This story is a sequel to Doctor Whooves Episode 6: A Ponyville Invasion

With Thalia continuing her invasion of Ponyville, Derpy and the others find their last chance at stopping her in the hooves of a future regeneration of the Doctor. Meanwhile, the Doctor teams up with an ally from the past to rescue Twilight and Rainbow Dash and ultimately save the town.