While on an alien planet Daniel touches a weird mirror and is knocked unconscious. When he wakes up he finds himself alone and thinks that the rest of SG-1 has left him behind and are back on Earth. But as soon as he goes through the Earth's gate he finds out that he is in a parallel universe and that the Goa'uld are attacking.

The day of Charlie and Baz's wedding arrives with Megan, Ash, Duffy and Mike returning but a fire requires the staff back at Holby as Tina's parents arrive to see her.

Jonathan & Maddy continue to investigate the mystery at Gallow's Gate.

The Warners ride in a carpool with three businessman.

Slappy and Skippy work on a new comedy sketch with one of Skippy's old rivals.