Put Your Head on My Shoulder

Fry finds his flirtation with Amy heating up, until Amy becomes too serious about the relationship. Fry attempts to break things off just before Valentine's Day, but he's interrupted when the car he, Amy and Dr Zoidberg are in crashes. As a result, Fry's head becomes separated from the rest of his body. But thanks to Dr. Zoidberg's quick thinking, Fry's life is saved when his head is grafted onto Amy's body, forcing them to spend Valentine's Day together whether they want to or not.