"Evolution" are the 11th and 12th episodes from seventh season of the science fiction television series Stargate SG-1. Part 1 was co-written by Damien Kindler and Michael Shanks, with Kindler adapting the story into a teleplay, whilst part 2 was written by Peter Deluise and Damien Kindler, with Deluise handling the teleplay as well as directing the episode. Part 1 was first broadcast on August 22, 2003, on Sci-Fi Channel in the United States, with part 2 subsequently airing first in the on Sky One in United Kingdom on December 14, 2003, following the shows mid-season hiatus in the US.

"Grace" is the 13th episode from the seventh season of military science fiction adventure television show Stargate SG-1 and is the 145th overall. It was first broadcast on January 6, 2004, on Sky One in the United Kingdom. The episode was written by Damian Kindler and was directed by Peter F. Woeste.