Stargate Universe - Season 1 Episode 18 -

Col. Young investigates the possibility that Col. Telford is a traitor who may have given information to the enemy leading to the attack on the Icarus base. The initial report on Telford comes from Dr. Rush who had a flash when he used the communications stones. Something similar had happened to Lt. Scott when using the stones which led him to suspect that Col. Young's wife was having an affair with Telford. As a result of that affair, Young's investigation will be suspect. Rush returns to Earth via the stones inhabiting Telford's body and Young returns as well to ...