When you've got forty years' worth of sketches, it can be difficult to pick a favorite. That's why Saturday Night Live is making it easy on all of us, allowing viewers to pick 100 of their favorite sketches from the show's long history. Starting Jan. 10, visit SNL's website to take part in a five-week campaign to help decide the 20 favorite skits from each of the show's four decades — that's the '70s, '80s, '90s, and the 2000s. Each week, SNL fans can vote on their most beloved sketches from a specific decade, and the winning sketches will be revealed beginning Jan. 16. So if you really want to make sure that "Debbie Downer" and "Mr. Robinson's Neighborhood" are part of the final 100, make sure to make your voice is heard early and often. And you can rally support for your picks by tweeting out the Yahoo Screen links using the hashtag #bestofSNL.

Before voting begins, though, you'll need to do some research to decide whether, say, Adam Sandler's Opera Man deserves a slot on the Top 20 of the '90s over Chris Farley's Chippendales dancer. So do your deep-web browsing over at Yahoo Screen's SNL homepage, where a treasure trove of complete sketches are instantly streamable with a click of your mouse. To make things easier, we've assembled a decade-by-decade playlist of some of our favorite sketches, from "Samurai Hotel" in the '70s and "Church Chat" in the '80s, to "Celebrity Jeopardy" in the '90s (below), and "More Cowbell" in the '00s. But feel free to mix and match your own selections before voting begins on Jan. 10, whether it's Wayne and Garth or the Target Lady. And mainly, just have fun rewatching these classic skits on Yahoo Screen. Looking at them again will remind you that there's a good reason why SNL has lasted forty years and counting.

Voting for the #bestofSNL begins Jan. 10 at NBC.com/SNL. Browse Yahoo Screen's SNL homepage now!