Season
- Season 3 1967-09-11
- Season 2 1966-09-14
- Season 1 1965-09-15
Episode
- Episode 1: Let's Kill Karlovassi
- Episode 2: The Beautiful Children
- Episode 3: Laya
- Episode 4: The Medarra Block
- Episode 5: Philotimo
- Episode 6: The Honorable Assassins
- Episode 7: Now You See Her, Now You Don't
- Episode 8: Red Sash of Courage
- Episode 9: The Seventh Captain
- Episode 10: Apollo
- Episode 11: Oedipus at Colonus
- Episode 12: The Lotus Eater
- Episode 13: An American Empress
- Episode 14: Home to Judgement
- Episode 15: Anyplace I Hang Myself Is Home
- Episode 16: Tag, You're It
- Episode 17: A Few Miles West of Nowhere
- Episode 18: This Guy Smith
- Episode 19: Turnabout for Traitors
- Episode 20: Happy Birthday... Everybody
- Episode 21: Shana
- Episode 22: The Name of the Game
- Episode 23: Suitable for Framing
- Episode 24: The Spy Business
- Episode 25: Carmelita Is One of Us
- Episode 26: Pinwheel
I Spy Season 3 Pinwheel
A pair of intelligence agents posing as a tennis pro and his coach go on secret missions around the world.
