“House” (8 p.m., Fox): Beware of cuddly cats. On the latest edition of

“House” (8 p.m., Fox): Beware of cuddly cats. On the latest edition of “House,” a nursing-home worker (Judy Greer) freaks out when the resident feline cozies up to her. Seems that the cat usually befriends people who are going to die soon.

“Gossip Girl” (8 p.m., CW): Carter returns to make Chuck’s life hard.