From CBS' official press release:

Audrey discovers Russell is a secret fan of Broadway musicals on Rules of Engagement, Monday, March 2.

Bob Odenkirk (The Larry Sanders Show) guest stars as Mike, an acquaintance Jeff runs into at a boat show.

Audrey discovers that Russell is a closeted fan of Broadway musicals, a fact she promises to keep secret in exchange for free theater tickets.  Meanwhile, Adam and Jennifer take dancing lessons in preparation for their wedding, on Rules of Engagement, Monday, March 2 (9:30-10:00pm, ET/PT) on the CBS Television Network.

Rules of Engagement stars David Spade, Patrick Warburton, Megyn Price, Oliver Hudson and Bianca Kajlich.


Source: CBS
(Image courtesy of CBS)