Season 3: Episode 72: The One With The Ultimate Fighting Champion
Intent on becoming an Ultimate Fighting Champion, Pete has begun his training. Monica goes to his first match, and watches Pete get destroyed. She has her concerns but Pete tells her that he's determined to succeed and hopes she believes in him. She sticks with Pete, and at his next match he's bludgeoned even worse than before. Monica visits Pete in the hospital and begs Pete to quit fighting. He won't, so Monica breaks up with him. She can't stand watching him get beaten another time. Phoebe sets Ross up with her once-bald friend Bonnie. But when the attractive Bonnie shows up with a full head of hair Rachel becomes jealous. Chandler's is disturbed when his boss repeatedly pats him on the butt after doing a good job.