Crusaders of the Lost Mark

Crusaders of the Lost Mark is an upcoming episode of My Little Pony Friendship is Magic. It is the eighteenth episode of the fifth season and the one hundred and seventh episode overall. The title is a reference to the Indiana Jones film Indiana Jones and the Raiders of the Lost Ark.

From Zap2it
"When Pip Squeak [sic] decides to run for class president, the Cutie Mark Crusaders rally around their friend, but find themselves helping their long-time nemesis, Diamond Tiara, in an unexpected way."