A Flurry of Emotions, the third episode of Season Seven was originally aired on April 22, 2017.

In this episode, Twilight Sparkle agrees to babysit her niece Flurry Heart despite already having a very busy schedule.

Owl's Well That Ends Well, the twenty fourth episode of Season One was originally aired on April 22, 2011.

In this episode, Twilight Sparkle befriends an owl who becomes her second personal assistant, to the displeasure of Spike.

Surf and/or Turf, the sixth episode of Season Eight was originally aired on April 21, 2018.

In this episode, the Cutie Mark Crusaders get sent by the Cutie Map to Mount Aris to help a young Hippogriff figure out where he belongs.

It also features the song, Your Heart Is In Two Places.

A Canterlot Wedding - Part 2, the twenty sixth episode of Season Two was originally aired on April 21, 2012.

In this episode, Shining Armor and Princess Cadance are set to be married, but Queen Chrysalis has a devious plan to ruin Shining Armor's happily ever after and the future of Equestria.

A Canterlot Wedding - Part 1, the twenty fifth episode of Season Two was originally aired on April 21, 2012.

In this episode, Twilight Sparkle grapples with her conflicted feelings when she finds out her brother, Shining Armor, is marrying Princess Celestia's niece, Princess Cadance. Twilight also begins to suspect that Cadance has changed since their childhood.

It also features the song, B.B.B.F.F..

A-Dressing Memories, the first episode of Friendship is Forever mini-series was originally aired on April 20, 2020.

In this episode, Rarity reminisces about her past moments of generosity while making the dress for Twilight Sparkle's princess coronation.

Sparkle’s Seven, the fourth episode of Season Nine was originally aired on April 20, 2019.

In this episode, Twilight Sparkle and Shining Armor pit their wits against each other to settle a long-standing sibling rivalry, but they soon discover they are not the only competitors.

Trade Ya!, the twenty second episode of Season Four was originally aired on April 19, 2014.

In this episode, friendships are tested when a trip to the Rainbow Falls Traders Exchange goes wrong.

Trivia

Bloom & Gloom, the fourth episode of Season Six was originally aired on April 18, 2015.

In this episode, Apple Bloom's anxiety over not having her cutie mark turns her life into a nightmare.

Trivia

Gauntlet of Fire, the fifth episode of Season Six was originally aired on April 16, 2016.

In this episode, Spike takes part in a perilous Gauntlet for the title of Dragon Lord in order to protect his friends.

Trivia

All Bottled Up, the second episode of Season Seven was originally aired on April 15, 2017.

In this episode, Starlight Glimmer and Trixie accidentally make the Cutie Map disappear while the Mane Six are on a friendship retreat, so Starlight uses a spell to bottle up her anger until the map is retrieved.

It also features the song, Best Friends Until the End of Time, which is the first song of season seven.

Celestial Advice, the first episode of Season Seven was originally aired on April 15, 2017.

In this episode, Twilight Sparkle agonizes over Starlight Glimmer's future and seeks advice from Princess Celestia.

Trivia

The Cutie Mark Chronicles, the twenty third episode of Season One was originally aired on April 15, 2011.

In this episode, the Cutie Mark Crusaders learn how each of the Mane Six acquired their cutie marks.

It also features a song, So Many Wonders, which is sung by Fluttershy when a large swarm of butterflies cushion her fall from Cloudsdale, and she experiences life on the ground for the first time.

Grannies Gone Wild, the fourth episode of Season Eight was originally aired on April 14, 2018.

In this episode, Granny Smith and her friends head to Las Pegasus, and Rainbow Dash tags along as their chaperone so she can ride the best rollercoaster ever before it closes.

Uprooted, the third episode of Season Nine was originally aired on April 13, 2019.

In this episode, the Young Six respond to a magical summons from the Tree of Harmony, only to learn it has been destroyed, and it is up to them to figure out the best way to memorialize it.

It also features a song, The Place Where We Belong, the first song of season 9.

Castle Sweet Castle, the third episode of Season Five was originally aired on April 11, 2015.

In this episode, Princess Twilight's friends try to make it feel more like home after finding out she's been avoiding her castle.

It also features a song, Make This Castle A Home.

On Your Marks, the fourth episode of Season Six was originally aired on April 9, 2016.

In this episode, the Cutie Mark Crusaders struggle with the question of what's next after receiving their cutie marks.

It also features the song, Out On My Own, which is the first song of season six and marks Apple Bloom's first solo in the series.