ABC has announced the January 19 episode of Modern Family. The Dunphy kids are in for unthinkable trauma when they catch Phil and Claire in the act. Rachael Harris (The Hangover) guest stars in the episode.

"Caught in the Act" - Plans backfire when the kids go to surprise their parents with breakfast in bed on their anniversary, only to catch Phil and Claire in a compromising position. Meanwhile, Jay and Gloria's Vegas getaway is thwarted by a brutally honest email that was accidentally sent to Claire, and Mitch and Cam desperately try to get an "in" at the hot new neighborhood restaurant whose owner happens to be a mom (played by Rachael Harris) at Lily's preschool, on "Modern Family," WEDNESDAY, JANUARY 19 (9:00-9:31 p.m., ET), on the ABC Television Network.  

You can find more information about the episode in our Episode Guide.