Church's travels through time lead him into an unexpected temporal loop of confusion. Tucker shows off his new bling and the Reds debate the source of an incoming distress signal.
Tucker, Caboose, Andy and the Alien prepare for a dangerous quest. Simmons takes Grif hostage while Church has a heart-to-heart talk with Tucker. Sarge's rescue attempt goes awry.
Tex storms the Freezing Planes and a new Spartan creates an obstacle for the quest. Simmons meets resistance from Donut and Grif while O'Malley, Doc and Lopez return to the gulch.
Sarge, Simmons and Grif race towards the Blue Base. Meanwhile, the Reds discuss the appropriateness of hand-to-hand combat, sniping and nuclear warfare.
