The Big Bang Theory Sheldon and Leonard (Jim Parsons, Johnny Galecki) have an argument, and everyone gets caught in the middle. 8 p.m. CBS
DC's Legends of Tomorrow Rip (Arthur Darvill) assigns the Legends to kidnap their younger selves when a killer known as the Pilgrim (Faye Kingslee) targets their youthful versions. 8 p.m. KTLA
Bones Brennan (Emily Deschanel) can't keep her feelings out of an investigation that leads to a men's-rights organization that has very specific views on women. 8 p.m. Fox
The Odd Couple Teri Hatcher guest stars as a neighbor whose nanny (Brianne...