Catch up on 10 seasons of Stargate SG-1 with this list of all episodes that are key to the show's major storylines.
THE ARC: From scary monsters to sympathetic allies, the Unas have a unique role in the story of the Stargate universe.
THE ARC: Will they or won't they? Here's a 9-episode viewer's guide for fans who always wanted Jack O'Neill and Samantha Carter to get together.
THE ARC: Revisit a classic Stargate SG-1 storyline with these seven key episodes!
THE ARC: Here's a viewer's guide to the episodes based around ascension to a higher plane -- and where it took the Ancients.