The Office finally returns after a too-long hiatus this week, and star Jenna Fischer promised major plot developments when EW caught up with her at the March 31 L.A. premiere of costar John Krasinski's Leatherheads (for more on Krasinski, see page 20). ''You don't want to miss the second episode back,'' she hints. ''Big stuff happens for Jim and Pam.'' Also ahead for America's favorite paper pushers: Pam will set Michael up on a date — perhaps Bob Vance has a spinster sister? — and on May 1, ''you find out something new and big about Pam that you have never known.'' So Pam has a past? Hmmm. This has ''stripping to pay the bills'' written all over it. — Reporting by Carrie Bell


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