These questions are about events from the show. Answers under the spoiler tag.

During which episode did Cerberus leave his post?

It's About Time

Pinkie Pie has appeared wearing a chicken costume in two episodes. Name both.

Luna Eclipsed & Bloom and Gloom

What was the name of the machine the Flim Flam Brothers used to compete against the apples?

The Super Speedy Cider Squeezy 6000

Which episode took place on Nightmare Night?

Luna Eclipsed

What was the first episode to prominently feature both Pinkie Pie and Rainbow Dash?

Griffon the Brush Off

In which episode did Trixie first appear?

Boast Busters

Which episode is infamous for its portrayal of Ditzy Doo?

The Last Roundup

Which episode was the first to mention Pinkie Pie's full name?

Party of One

In which episode were we first introduced to Diamond Tiara?

Call of the Cutie

Who did Fluttershy meet on her trip to see the Breezies?

Tree Hugger

True or False: Twilight helped get the real Pinkie Pie back in Too Many Pinkie Pies.

True. She gave them a test to see who was the real Pinkie.

What was the creature that turned Twilight Sparkle into a stone statue called?

A Cockatrice

True or False: Twilight managed to save the Crystal Empire from King Sombra's wrath.

False. It was actually Spike who managed to return the Crystal Heart and defeat King Sombra.

Who were the main characters in The Lost Treasure of Griffonstone?

Pinkie Pie, Rainbow Dash, and Gilda

Who was the creature turned into stone?

Discord

True or False: Only Twilight Sparkle that defeated Discord.

False. The whole Mane Six used the Elements of Harmony to defeat him.

Which episode did the Mane Six perform in the Hearth's Warming pageant?

Hearth's Warming Eve

What did Fluttershy turn into in Bats!?

A bat pony

True or False: Rarity proved her generosity by cutting of her tail to give to the sea serpent.

True.

What was Sweetie Belle for Nightmare Night in Luna Eclipsed?

A vampire

True or False: Princess Cadance is Princess Celestia's niece.

True

What were the things the ponies thought Twilight was for Nightmare Night in Luna Eclipsed?

An elderly stallion, a "weirdo clown", and a country music singer.

Who played Private Pansy in the Hearth's Warming Eve pageant in Hearth's Warming Eve?

Fluttershy

True or False: Octavia and DJ Pon-3 (Vinyl Scratch) are roommates.

Yes, they are. It was proved true in Slice of Life.

What is Bon Bon's real name?

Sweetie Drops, as said on Slice of Life.

Why did everypony want Twilight's extra ticket to the Grand Galloping Gala?

Because they wanted their dreams to come true.

Who did Rarity want to marry in The Grand Galloping Gala?

Prince Blueblood

Who did Rainbow Dash turn into in Power Ponies?

Zapp

Why did Spike take advantage of him being in charge in Princess Spike?

He wanted ponies to listen to him instead of Twilight for once.

Who was the spa pony that said "We can handle anything!"

Aloe

What are Cup Cake and Carrot Cake's twins' names?

Pound and Pumpkin Cake

Who did the Cutie Mark Crusaders get together in Hearts and Hooves Day?

Cheerilee and Big Macintosh. It didn't work out in the end, though.

Why did Twilight go crazy in Lesson Zero?

She was going to be turning in a late letter to Princess Celestia.

Who said, "Oh, come on!"

Sweetie Belle

True or False: Apple Bloom is Applejack's younger sister.

True

How picky were the Yaks?

So picky that everything had to be perfect.

What were Twilight's friends from Canterlot's names?

Moondancer, Minuette, Lemon Hearts, Lyra Heartstrings, and Twinkleshine.

Who was the main character in Do Princesses Dream of Magic Sheep??

Princess Luna

Which one of Twilight's old friends cast herself away from everypony?

Moondancer

Which one of Twilight's old friends wasn't shown in Amending Fences?

Lyra Heartstrings

What is the creature that haunts Princess Luna's dreams?

Tantabus

Who is the pony who helped Rarity make her own boutique in Canterlot?

Sassy Saddles

Who was Starlight Glimmer's old friend?

Sunburst