NGTV Guide: Friday, December 23

Chuck – 8/7c NBC
“Chuck vs. the Santa Suit” – Chuck and Sarah discover who’s behind the plot to destroy Carmichael Industries. Meanwhile, Ellie’s plans for a perfect Christmas begin to come apart. At the Buy More, Morgan and the gang must fend off angry customers as a computer virus threatens to ruin Christmas.

Sanctuary – 10/9c Syfy
“Sanctuary for None (Part 1)” – Caleb asks Magnus to help broker a peace deal between his insurgents and the governments on the surface; Addison reactivates Will’s federal commission; Tesla resurfaces.