Eleven Egregious Uses for Time Travel: 8

The Cutie Mark Crusaders take the opportunity to go on an excursion to Ponyville's recent past, to learn about the history of the town and how it could shape their future. Scootaloo proceeds to put the visit to another – not exactly sanctioned – purpose.

Part of a loosely related series of vignettes & short stories involving somewhat-unusual uses a pony might find for time travel.