The One With All the Cheesecakes

Phoebe gets angry with Joey when he blows off dinner with her for a date. The tables are turned however when her scientist boyfriend David returns to town for one night -- the same night when she's scheduled to go to dinner with Joey. Monica is upset by her lack of invitation to a cousin's wedding, especially when she finds out that Ross was invited "with guest". Chandler accidentally gets a cheesecake delivered that was intended for another apartment. When he and Rachel start eating it, they are unable to stop and refuse to give it back.