Most "Saturday Night Live" sketches come and go without much pomp and circumstance. Even some of the funnier sketches get lost to time. But every now and then, a sketch comes along that becomes part of the pop culture lexicon, like the recent Beavis and Butt-Head sketch with Ryan Gosling. The instantly recognizable and quotable "More Cowbell" sketch is another great example. But would you believe that the original iteration of the sketch wouldn't have had either Christopher Walken or the famous cowbell?

Peacock has a new documentary series called "SNL 50: Beyond Saturday Night," featuring four episodes that dig into a specific piece of "SNL" history. One chronicles the audition process with never-before-seen footage of auditions from cast members and those who didn't get the gig, another spends an entire week with the writing staff during season 49's excellent episode hosted by "The Bear" star Ayo Edebiri, and another...