Michael Scott didn't merely get engaged this week on The Office, he made a major announcement: he and Holly will be moving to Colorado to care for her ailing father.

This will be the basis behind Steve Carell's departure, of course, but he won't exit the sitcom until he reunites with a long-time friend. That's right, Will Ferrell debuts on April 14 as a manager sent in to take over for Michael.

His character won't stick around beyond four episodes, but it's clear Michael will be happy to see him stop by for a bit. See what we mean in this promo:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.