My Little Pony: Friendship Is Magic: Season 4, Episode 21 - ProjectFreeTV

4 - 21: Testing, Testing, 1, 2, 3

Rainbow Dash is preparing to take her test on the history of the Wonderbolts; a test she must pass in order to become a member of the Wonderbolts Reserves. Twilight offers to help her study, but soon realizes that her conventional methods don't work.