The Avengers

Season 1 Episode 3: Square Root of Evil

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.

Genre:

Action & Adventure, Crime, Sci-Fi & Fantasy

Seasons:

6

Episodes:

161

Actor:

Patrick Macnee, Linda Thorson

Quality:

HD

Status:

Ended

First Air:

1961

IMDb:

7.8