Marge vs. the Monorail is one of the best Simpsons episodes ever, but writer Conan O'Brien was initially told not to pitch it.

Conan O’Brien’s most iconic contribution to The Simpsons is “Marge vs. the Monorail,” widely considered to be the show’s all-time greatest installment, but he wrote an even funnier episode a few ...

Conan O'Brien is seen sitting at his Late Night desk in The Simpsons - 20th Century Television 33 years after it first aired, "Marge Vs. the Monorail" remains one of the best episodes of "The Simpsons ...