Two And A Half Men: Season 3, Episode 23

3 - 23: Arguments for the Quickie

Mia comes back to town with her dance troupe and invites Charlie to her performance. He decides not to go and tries to convince Alan that he no longer has feelings for her. He goes to the see the performance after all and Mia explains that she wants to talk to him privately. She later reveals that she wants Charlie's sperm in case she would ever want a child. Charlie agrees, but later changes his mind, and responds by asking Mia to marry him. Title quotation from: Charlie, before Mia explains that she wants Charlie's sperm.