The Avengers Series 1 Episode 3 Square Root of Evil 1961
7.7/10 by 130 users
Steed impersonates Riordan, a forger soon to be released from prison, and gains the trust of gang-leader Hooper. Things seem to be going well until Hooper's second-in-command, known as the Cardinal, announces that Riordan's girlfriend is outside waiting to see him.
- Released: 1961-01-21
- Runtime: 50 minutes
- Genre: Action & Adventure, Crime, Sci-Fi & Fantasy
- Stars: Patrick Macnee, Linda Thorson, Randi Roam
- Director: Laurie Johnson
- Source: CWR-CRB
