Jenna Fischer and John Krasinski spoke about "The Office," the NBC comedy that premiered 20 years ago, why Pam and Jim's love story still resonates and the show props they got to keep.

Since The Office debuted 20 years ago, the show has become a modern cult classic. From Jim and Pam costumes during Halloween ... that many famous names had a hand in directing the iconic sitcom.

"I watched this scene and it just brought tears to my eyes, because I remember shooting it so clearly," Jenna Fischer said on the most recent episode of the Office ... Pam after she witnesses Jim ...

Jim (John Krasinski) and Pam (Jenna Fischer) exchanged their vows before family, friends and their Dunder Mifflin colleagues in The Office's sixth season. But as fans know, the duo secretly wed ...