Frank moves in with Charlie and offers to help pay his rent. Frank having grown disillusioned with his rich yuppie lifestyle wants to live in squallor like he used to. Frank sleeps with the two strippers Mac and Charlie were planning to sleep with by locking them out of Charlie's apartment. (Charlie Gets Crippled) Charlie teaches Frank the art of making a Grilled Charlie. (The Gang Goes Jihad) Frank sleeps with Charlie's crush the Waitress. (Mac Bangs Dennis' Mom)