Kaley Cuoco

Thursday's TV Highlights: 'Pure Genius' on CBS

Thursday's TV Highlights: 'Pure Genius' on CBS

SERIES

Home & Family Mark Steines and Debbie Matenopoulos welcome Amy Grant and Jordan Smith to perform in the annual Christmas special. Trans-Siberian Orchestra and Andra Day also perform. 6 p.m. Hallmark

The Big Bang Theory Stephen Hawking (himself) learns Wolowitz (Simon Helberg) once made a remote-operated action figure of him. Jim Parsons, Johnny Galecki, Kaley Cuoco, Kunal Nayyar and Mayim Bialik also star. 8 p.m. CBS

DC's Legends of Tomorrow The Legends find Jonah Hex (Johnathon Schaech) battling Quentin Turnbull (guest star Jeff Fahey) in the Old West....

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