Jimmy Fallon is on a roll! Each night of his inaugural week on The Tonight Show has brought a new, awesome skit — first there was the Evolution of Hip-Hop Dancing, then the ragtime version of "Ignition (Remix)," and tonight, he revisits the "hashtag" skit with guest Jonah Hill. Like he did with Justin Timberlake, Jimmy and Jonah use the word hashtag for every piece of their conversation and take it to ridiculous new heights, like the Friends theme song and a little Snoop Dogg. Watch the whole thing to get these musical moments — plus a very special cameo from a very important director.
Watch the original skit with Justin Timberlake: