30 Rock (2006)

"Generalissimo," Season 3, Episode 10 Two Alec Baldwins for the price of one. Jack discovers that the star of a Spanish telenovela looks uncannily like him, so Baldwin plays both men, while Salma Hayek continues her run as Jack's girlfriend Elisa. The telenovela clips are a parody inside a parody, dense with visual jokes, and they let Baldwin go even bigger than Jack usually allows.