Abbott and Costello's "Who's on First?" routine has been around since the late 1930s, but Jimmy Fallon brought legendary comedians Billy Crystal and Jerry Seinfeld onto his show Thursday night for its revival. Filmed in black-and-white, all three men sport "St. Louis Wolves" baseball uniforms, and are joined on stage by Fallon announcer Steve Higgins and head writer A.D. Miles.
For comparison's sake, here's the original: