Spider-Man: Triangle of Evil

"Triangle of Evil" is the eleventh episode from season one of the animated superhero fantasy series Spider-Man. It was directed by Grant Simmons, Clyde Geronimi, Sid Marcus and Ray Patterson and written by Bill Danch, Al Bertino, Phil Babet, Dick Robbins and Dick Cassarino. It first aired on ABC on November 21st, 1981.