Ian: I don't think you understand...you don't f**k...with MY BEST FRIEND! (shoots the boss in the arm)
After years of hovering near the top but never quite making it there, them finally usurping control of the number one spot on YouTube from RayWilliamJohnson counts. As of writing, they've currently been dethroned by PewDiePie.
Getting Tom Hiddleston, aka Loki, to guest star! And in a prank interview, no less!
THEN THEY GOT EMMA WATSON!
The first time they got a celebrity was a few years ago when they made an episode about and featuring Lou Ferrigno!