A Hearth's Warming Tail is a reimagining of the eighth episode of the sixth season of My Little Pony: Friendship is Magic.
When Knock Out fails to see how important Hearth's Warming Eve is and decides to skip the holiday, Starlight Glimmer decides to cheer him up by telling him a holiday story.
- Knock Out is the one who fails to see how important Hearth's Warming is and Starlight is the one who tells the story.
- Snow Dash is potrayed by Arcee.
- The Spirit of Hearth's Warming Past is potrayed by Bulkhead.
- The Spirit of Hearth's Warming Present is potrayed by Fixit.
- The Spirit of Hearth's Warming Yet to Come is portrayed by Optimus Prime.
- Flutterholly is potrayed by Ratchet.
- Merry is potrayed by Bumblebee.
- This is the first time the Autobots and ponies sing together.
- Princess Luna wears her winter clothes for the first time.
- Princess Celestia reveals this is her first Hearth's Warming with the Autobots.
- Snowstorm is the bot version of Snowfall Frost.
- This is the first time Knock Out spends Hearth's Warming with his friends.
- Starlight wants Knock Out to join her every Hearth's Warming.