Tonight on Mom (8:30 p.m., CBS/Ch. 2): Gabriel's wife thinks he is cheating on her - and she turns to Christy for support.
And it was Christy who was having an affair with Gabriel, although she ended it.
Elsewhere on TV ...
NFL (6:25 p.m., ESPN): Miami Dolphins at Tampa Bay Buccaneers
How I Met Your Mother (7 p.m., CBS/Ch. 2): Barney accepts challenges from Robin and Lily.
Dancing with the Stars (7 p.m., ABC/Ch. 4): The competition continues.
The Voice (7 p.m., NBC/Ch. 5): The top 12 singers perform.
Bones (7 p.m., Fox/Ch.13): A sperm donor is murdered.<