| Season Two, Episode ##19|
Number (#33) in series (136 episodes)
|Air date||February 2, 1973|
|Written by||Sid McCoy|
|Directed by||Aaron Ruben|
|IMDb||The Infernal Triangle|
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|"Watts Side Story"||"Pops 'n' Pals"|
The Infernal Triangle was the 33rd episode of Sanford and Son. Also the 19th episode of the series' second season, it premiered February 2, 1973.
Fred announces his engagement to a woman named Judy (Ketty Lester), who, a widow at age 36, is a woman young enough to have been his daughter-in-law, who is also an old flame of Lamont's, who began dating her under the guise of the use of the name " J. Ruper Roe. Based on "Two's Company" by Ray Galton and Alan Simpson.
|Sanford and Son|
|Season episode guides|
|Season 1||Season 2||Season 3||Season 4||Season 5||Season 6|
|Sanford and Son: Season 2|
|By the Numbers | Whiplash | The Dowry | Jealousy | Tooth or Consequences | The Card Sharps | Have Gun, Will Sell | The Puerto Ricans Are Coming! | The Shootout | Blood Is Thicker Than Junk | Sanford and Son and Sister Makes Three | A Guest in the Yard | Fred & Carol & Fred & Donna | The Light Housekeeper | The Big Party|A Visit from Lena Horne | Lamont Goes African | Watts Side Story | The Infernal Triangle | Pops 'n' Pals | Home Sweet Home for The Aged | Pot Luck | The Kid | Rated X ||