A Planet Express mission to Robot Santa's colony on Neptune leaves the murderous robot trapped in the frozen sea, and Bender takes over as Santa, vowing to bring peace and goodwill to Xmas again. But when Bender is mistaken for the real Robot Santa, he is arrested and sentenced to death.

In this three-part episode, the Planet Express crew learns the true meaning of Xmas, Robanukah and Kwanzaa.

Bender and Zoidberg travel through time to attack Robot Santa.