My Little Pony Equestria Girls: Choose Your Own Ending (season 1)

My Little Pony Equestria Girls: Choose Your Own Ending is a series of Equestria Girls "choose your own adventure"-style episodes that premiered on YouTube on December 23, 2017. The first short was uploaded to Hasbro's official YouTube channel on December 17, 2017, and the following five were posted on the Discovery Family GO! app on December 23.

Best Trends Forever
Best Trends Forever is the twelfth short in the digital series and the first "Choose Your Own Adventure" short. It was uploaded to the official Hasbro YouTube channel on December 17, 2017 but has since been taken down. The animation focuses primarily on Rarity and - depending on the ending - Twilight Sparkle, Rainbow Dash, or Pinkie Pie.

Summary
During a student-hosted CHS news report, Rarity reports on the latest fashion trends. However, when she discovers her purse lacking in any trendsetting fashions, she looks to her friends for inspiration: Twilight Sparkle, Pinkie Pie, or Rainbow Dash (prompting a choice from the viewer).
 * If the viewer chooses Twilight, Rarity declares the newest trend to be "smart chic", and everyone at the school starts adopting Twilight's glasses-wearing fashion and love for knowledge. Unfortunately, this prevents Twilight from being able to get the books she wants. Rarity apologizes to Twilight for the inconvenience, and she quickly gets everyone to adopt capes as the newest fashion trend.
 * If the viewer chooses Rainbow, Rarity declares the newest trend to be rainbows. Everyone at the school starts wearing rainbow wigs, causing Rarity to mistake everyone she runs into for Rainbow Dash. Rarity is deeply disturbed and starts to believe she's in an alternate dimension called the "Rainbow Zone", but Rainbow Dash herself is thrilled.
 * If the viewer chooses Pinkie, Rarity declares the newest trend to be confetti, and an utterly delighted Pinkie Pie starts filling the school halls and lockers with confetti. Despite Twilight, Applejack, and Rarity's efforts to clean up, Principal Celestia finds her office flooded with confetti, and Rarity fears a punishment of detention.

Fluttershy's Butterflies
Fluttershy's Butterflies is the second "Choose Your Own Adventure" short. It was released on the Discovery Family GO! app on December 23, 2017. The animation focuses primarily on Fluttershy and - depending on the ending - Rainbow Dash, Applejack, or DJ Pon-3.

Text Support
Text Support is the third "Choose Your Own Adventure" short. It was released on the Discovery Family GO! app on December 23, 2017. The animation focuses primarily on Twilight Sparkle and - depending on the ending - Rarity, Fluttershy, or Sunset Shimmer.

Stressed in Show
Stressed in Show is the fourth "Choose Your Own Adventure" short. It was released on the Discovery Family GO! app on December 23, 2017. The animation focuses primarily on Twilight Sparkle and - depending on the ending - Fluttershy, Rainbow Dash, or Pinkie Pie.

Driving Miss Shimmer
Driving Miss Shimmer is the fifth "Choose Your Own Adventure" short. It was released on the Discovery Family GO! app on December 23, 2017. The animation focuses primarily on Sunset Shimmer and - depending on the ending - Rarity, Applejack, or Fluttershy.

Rarity Investigates: The Case of the Bedazzled Boot
Rarity Investigates: The Case of the Bedazzled Boot is the sixth "Choose Your Own Adventure" short. It was released on the Discovery Family GO! app on December 23, 2017. The animation focuses primarily on Rarity and - depending on the ending - Pinkie Pie, Trixie, or Applejack.