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The Avengers
Square Root of Evil
S1
•
E3
SD
7.7
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
Country
Release date
January 21, 1961
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