Wanna know what the official NBC preview description is?
Here it is!
GUESS WHO'S COMING TO DINNER-Pam (Jenna Fischer) and Jim (John Krasinski) find they have run out of excuses and are forced to go to Jan (Melora Hardin)and Michael's (Golden Globe winner Steve Carell)house for dinner. When Andy (Ed Helms) and Angela
(Angela Kinsey) are also invited to dinner, Dwight's (Rainn Wilson) jealousy gets the best of him. Leslie David Baker, Brian Baumgartner, Kate Flannery, Oscar Nunez, Phyllis Smith, Paul Lieberstein, Mindy Kaling and Creed Bratton also star.