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The Avengers S1E3 — Square Root of Evil
7.4
The Avengers•Season 1•Episode 3

Square Root of Evil

7.4/10 · 46 votesJan 21, 1961

Ranked #10 of 26 in Season 1•+0.1 vs season avg

Discussion

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.

Directed byDon Leaver
Written byRichard Harris
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Cast2

Patrick Macnee

Patrick Macnee

John Steed

Ian Hendry

Ian Hendry

Dr. David Keel

Crew2

Richard Harris

Richard Harris

Writer

Don Leaver

Don Leaver

Director

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Episode Summary

"Square Root of Evil" is episode 3 of The Avengers season 1. It scored 7.4/10 from 46 votes, ranking #10 of 26 episodes this season (season average 7.3). Directed by Don Leaver and written by Richard Harris, it aired on January 21, 1961.

Next: E4 · NightmareBest of Season 1