Androcles and the Lion was a common folktale about a Roman slave who helps an injured lion and the two become friends.
When removing a bullet from Chaka in 2000, Dr. Daniel Jackson noted the similarities between the story and his situation. (SG1: "The First Ones")
When Dr. Carson Beckett was able to remove the Wraith tracker from Ronon Dex in a cave in 2005, Lt. Colonel John Sheppard compared the situation to this story. (SGA: "Runner")