Austin Powers was a popular movie trilogy on Earth. When arriving on a Medieval planet, Colonel Jack O'Neill imitated Dr. Evil by raising his pinkie to his mouth. (SG1: "Demons")
When O'Neill is cloned and studied by the Asgard Loki, O'Neill calls his teenage clone Mini-Me. (SG1: "Fragile Balance")
When Teal'c lost Junior and began to use Tretonin and feels weak because of it, O'Neill tells him he has lost his mojo like Austin Powers did. (SG1: "Orpheus")
Lt. Colonel John Sheppard referred to Michael Kenmore's plans for galactic domination as too Dr. Evil. (SGA: "Vengeance")
When Eli Wallace discovered that Lt. Matthew Scott had a son, he said "Chloe tells me you're a dad. Congrats! Got yourself a mini-Matt." (SGU: "Life")