Is this Steve Carell's final season on"The Office" or a Blades Of Glory semi-reunion? Between Will Ferrell and now Will Arnett, Jenna Fischer must be so stoked to relive those halcyon days of ice-skate parody. Of course, they'll have quietly catch up as to not alienate the other guest stars.

Producers are taking a page from The Muppets playbook and loading the season finale with guest stars aplenty. As of now, it's only reported that Arnett and Ricky Gervais (don't get mad at me for telling you) will appear in the finale. Of course, show insiders warn that doesn't mean they'll necessarily be stepping into Carell's shoes. He, of course, made arrangements with the Wardrobe Department to be able to keep them. (EW)