The Office is famous for its iconic and hilarious cold opens, but one of the best opening moments was actually unscripted.

The Big Bang Theory is tightly written and perfectly timed, but some of its best laughs come from moments unscripted.

When the U.S. adaptation of The Office premiered back in 2005, the first episode was an almost shot-for-shot recreation of its British source material. As the show continued, however, the story ...