Shameless Season 2 Episode 6

Lip is sleeping with Mandy while she pretends to be Ian’s girlfriend to hide the fact that he’s gay. However, after Mandy falls pregnant with Lip’s baby everyone thinks Ian’s the dad and the Maguires welcome him to the family – with the threat of castration if he doesn’t marry her. Fiona gets mugged on her way home from a drunken night out.