Stargate Atlantis (2004)

S05E04 The Daedalus Variations

While on their Atlantis mission, Lt. Colonel John Sheppard and his team encounter the abandoned Daedalus, aimlessly floating in space. As they approach to explore, the ship vanishes without a trace. The team soon realizes that this Daedalus originates from an alternate reality, and they must devise a plan to return to their own universe. With the threat of remaining trapped in this strange dimension looming over them, the team races against time to find a way home before it's too late.