Barney pursues Quinn, even after learning she's a stripper; Marshall and Lily show Robin what life is like in the suburbs; Ted tries to figure out what to do with Robin's room.
The kids take Sikowitz to the theatre to celebrate his 10-year teaching anniversary, but the play's subject matter sends Sikowitz into a deep depression. Tori must cheer him up.
An explosion in the home of a Navy SEAL forces the team to investigate; Vance continues his physical therapy.
Mickey works with FBI agent Van Miller to gather incriminating evidence against Sean Walker, while Ray tries to get Tommy out of a sticky situation.
After touring with Atticus, Hank is ready to return to Karen. Meanwhile, Charlie has performance anxiety, and a young reporter wants to interview Hank for his college paper.