Steve Carell's last episode of The Office will air on Thursday, April 28, closing out a seven-season run on the hit NBC comedy series. The air date, coincidentally, is the first day of sweeps week.

We reported in January that Steve Carell would leave the show a few weeks before the Season 7 finale. A few weeks later, we reported that Will Ferrell will guest star in an arc as the replacement for Steve Carell's character, Michael Scott. Will Ferrell's first appearance on The Office will be during the April 14 episode, and he will also star in episodes on April 21, April 28, and May 5.

The Office Season 7 finale will air on May 19; an hour-long episode where viewers will learn who will be the permanent successor of Michael Scott at Dunder Mifflin. Steve Carell's final episode wrapped production last week.

You can CLICK HERE to read a series of tweets from The Office's Mindy Kaling, which reveal unused story lines about Michael Scott that never made it on the air.