Aisha Kabia

Lily moves in with Barney; Marshall enjoys fun couple activities with another man.

As they face their middle school graduation, Riley, Maya Lucas and Farkle have to figure out what kind of legacy they hope to leave at John Quincy Adams.

The school board threatens to cut funding for the art and music departments; the students find a creative way to change the officials' minds.

Just when Derek's condition seems to be improving, a severe complication arises; when Cain's former girlfriend is admitted to the hospital for surgery, the doctors finally get a glimpse into his personal life.