We Must Rebuild

 is the sixth episode of the third season and the forty-fourth overall.

Synopsis
Exploring the wasteland in the future, Grif, Simmons, and Tucker discuss various Hollywood post-apocalyptic clichés. The group finds a jeep and bickers over it. Tucker is bent on finding Church, but Sarge asserts that Church, along with the group's enemies, had died in the explosion. Meanwhile, a cackling O'Malley discovers Lopez's disembodied head on a beach.