Monday on TV

NFL football (6:30 p.m., ESPN): Eagles at Redskins

How I Met Your Mother (7 p.m., Ch. 2): Barney finds a copy of the kids' show featuring Robin's alter ego.

Dancing With the Stars (7 p.m., Ch. 4): The competition continues.

Chuck (7 p.m., Ch. 5): Chuck tries to prove himself by going on a hazardous mission.

House (7 p.m., Ch. 13): A teenager is admitted to the hospital with symptoms closely linked to smallpox.

NBA basketball (7 p.m., FSN): Thunder at Jazz

Rules of Engagement (7:30 p.m., Ch. 2): Russell's mother cuts off his trust fund.

The Event (8 p.m., Ch. 5): President Martinez interrogates Michael about his involvement in the assassination attempt.

Lie to Me (8 p.m., Ch. 13): Lightman faces off with the leader of a self-help empire to free a wealthy woman who may be under the control of the cultlike leader.

Gossip Girl (8 p.m., Ch. 30): Chuck hosts a masquerade party at the Empire Hotel.

Mike & Molly (8:30 p.m., Ch. 2): Mike introduces Molly as his friend to a woman who is flirting with him.

Hawaii Five-0 (9 p.m., Ch. 2): The team must protect a ruthless dictator from an assassination.

Castle (9 p.m., Ch. 4): A prominent astrophysicist is found dead in her car.

Chase (9 p.m., Ch. 5): A serial killer escapes from prison.