‘Grey’s Anatomy’
DRAMA. How does pregnant Callie deal with a crisis? By imagining all of her coworkers busting into song in this musical episode.
9 p.m., ABC
‘Mobbed’
SPECIAL. A commitment-phobe takes a huge leap of faith that his girlfriend is a little more monogamy-minded, enlisting executive producer/host Howie Mandel and 1,000 of his closet friends to perform a dance routine flash mob-style while he gets down on one knee.
9 p.m., Fox
‘Swamp People’
REALITY. It’s gator season in Louisiana’s Atchafalaya swamp once again, meaning your love of designer alligator handbags can carry on as usual.
Season premiere, 9 p.m., History
