Watch the trailer for show's first Yuletide-themed episode, “Bob Rest Ye Merry Mannequin,” which guest stars Zach Galifianakis.

The first ever Bob's Burgers Christmas episode airs this Sunday, Dec. 16, at 8:30 p.m. on Fox.

Why does Bob have a blow-up doll?

And did you see Tina as a dreidel?