The Avengers - Season 1 Episode 3 : Square Root of Evil
The Avengers is a British television series created in the 1960s. It initially focused on Dr. David Keel and his assistant John Steed. Hendry left after the first series and Steed became the main character, partnered with a succession of assistants. His most famous assistants were intelligent, stylish and assertive women: Cathy Gale, Emma Peel and Tara King. Later episodes increasingly incorporated elements of science fiction and fantasy, parody and British eccentricity.
First Air Date : Jan 07, 1961
Last Air Date : May 21, 1969
Runtime : 50 min.
Genre : Action & Adventure, Crime, Sci-Fi & Fantasy
Stars : Patrick Macnee, Linda Thorson
Quality : 
- Eps. 1 : Hot Snow1961-01-07
- Eps. 2 : Brought to Book1961-01-14
- Eps. 3 : Square Root of Evil1961-01-21
- Eps. 4 : Nightmare1961-01-28
- Eps. 5 : Crescent Moon1961-02-04
- Eps. 6 : Girl on the Trapeze1961-02-11
- Eps. 7 : Diamond Cut Diamond1961-02-18
- Eps. 8 : The Radioactive Man1961-02-25
- Eps. 9 : Ashes of Roses1961-03-04
- Eps. 10 : Hunt the Man Down1961-03-18
- Eps. 11 : Please Don't Feed the Animals1961-04-01
- Eps. 12 : Dance with Death1961-04-15
- Eps. 13 : One for the Mortuary1961-04-29
- Eps. 14 : The Springers1961-05-13
- Eps. 15 : The Frighteners1961-05-27
- Eps. 16 : The Yellow Needle1961-06-10
- Eps. 17 : Death on the Slipway1961-06-24
- Eps. 18 : Double Danger1961-07-08
- Eps. 19 : Toy Trap1961-07-22
- Eps. 20 : Tunnel of Fear1961-08-05
- Eps. 21 : The Far Distant Dead1961-08-19
- Eps. 22 : Kill the King1961-09-02
- Eps. 23 : Dead of Winter1961-12-09
- Eps. 24 : The Deadly Air1961-12-16
- Eps. 25 : A Change of Bait1961-12-23
- Eps. 26 : Dragonsfield1961-12-30
