“MLP:FiM: S9E4: Sparkle’s Seven”, <em>My Little Pony</em> Wikia2019 (; backlinks)⁠:

Sparkle’s Seven (also titled “Twilight’s Seven” by some sources and in the episode’s script,1) is the fourth episode of season nine of My Little Pony: Friendship is Magic and the show’s two hundredth episode overall,2 celebrated as a milestone episode. The title is a reference to the 1960 film Ocean’s 11, its 2001 remake, and/or the all-female spin-off to the latter Ocean’s 8, previously referenced by “Sparkle’s Six” in Twilight Sparkle and the Crystal Heart Spell and “Luna’s 5” on the My Little Pony: Nightmare Knights Issue #1 cover RI.

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.