Late Night Attraction

S12, E21: Frank, Trishelle and Steven head to Los Angeles for a (successful) interview, while the other roomates work on a project with a popular magazine. The ever-increasing sexual tension between Trishelle and Frank finally comes to a head –- ending with a drunken smooch back in Vegas. Frank, being the upstanding citizen that he is, decides he can't possibly pretend to continue a relationship with Emily, who is left crying on the phone.