5x8 - Red vs. Blue

The Reds argue whether to keep Sister, before Grif secretly decides to rid the team of her before the still-buried Sarge discovers her Blue allegiance. Doc examines Sheila for her random behavior since abandoning Church in episode 79. Grif confronts the Blues and convinces them to take Sister. Simmons appears after trying to dig up Sarge, and proclaims him missing.