4x15 - Spin City

After eating some of Rags' dog food, Paul develops a rash before he appears on ""The View."" Nikki helps him discover the wonders of makeup, though. Stuart tries to convince James that he's gay. Mike hires a hotshot director to film the mayor's Senate commercial, unaware that Trevor is Caitlin's ex-husband. After the commercial turns out to be a flop and Mike fires Trevor, Caitlin accuses him of being jealous. When a talk with Nikki persuades Mike to express his feelings for Caitlin, he sees her and Trevor in a heated embrace.