Although, he didn't quite nail Ryan Seacrest's famous "This. Is American Idol," delivery. So, to help him out, Seacrest popped in to show him how it's done. But if you think that Seacrest is grooming Harrison to take over for him, well, don't be fooled. When Harrison tried it again, he stated, "This… is April Fools'." And turns out, some people actually fell for the joke!
While some fans were not okay with Harrison on Seacrest's turf, others actually supported the idea, due to Seacrest's ongoing sexual harassment allegation battle. Nevertheless, at the end of the day, it was just an April Fools' joke.