My Little Pony Friendship Is Magic Season 5 Episode 18 Crusaders of the Lost Mark Episode Title:Crusaders of the Lost Mark.Episode Description:The Cutie Mark Crusaders help their classmate Pipsqueak win their class's student president election against Diamond Tiara, who is berated by her mother Spoiled Rich for failing to live up to their family's social image. Feeling sorry for Diamond Tiara, the Crusaders offer to help her change her ways so she can earn her classmates' support. When they learn Pipsqueak is unable to fulfill any of his promises as student president, Diamond Tiara attempts to replace him to regain her mother's favor. With the Crusaders' persuasion, however, Diamond Tiara stands up to her mother and lends her family's funds to the school instead. Upon dedicating themselves to helping others understand their talents, the Crusaders simultaneously earn their cutie marks and celebrate with their friends and family.