Hosting "Saturday Night Live" is one of the most exclusive gigs in show business. Spanning 50 years, the late night sketch comedy show averages around 20 episodes each season, with only a few exceptions, giving us exactly 970 episodes of "SNL" so far (and counting). That might sound like a lot, but it's relatively few, especially when you consider that the show has a handful of favorites who have hosted the show multiple times. In fact, the top three actors who have hosted "SNL" the most during the show's run are spread across 45 episodes by themselves, which is basically two full seasons.

Not only is hosting "SNL" a tough job to land, but it's also not easy when you get it, which is why plenty of the biggest stars haven't done it. "Avengers" and "Captain America" franchise star Chris Evans even admitted to being terrified of potentially hosting the show. The live nature...