Two and a Half Men (2003)

S3E23 Arguments for the Quickie

Mia returns to town with her dance group and asks Charlie to attend her show. Initially, he opts out and attempts to persuade Alan that he's moved on from her. However, he ultimately decides to see the performance, where Mia reveals her desire for some of Charlie's sperm. In response, Charlie makes a request of his own to Mia.