For years,Katie Couricwas one of the country’s foremost television personalities.

“Sometimes I think change is a good thing.

And in 2003, NBC set out to find out exactly what their on-camera talent’s limits were.

Katie Couric keeps it casual at an event for The Highline

Meanwhile, Leno filled in for Couric’s duties, taking over for her on “Today.”

There was concern on both Leno and Couric’s part as to how each of them would perform.

They’re sleepy,'” Leno said prior to his performance.

Katie Couric pals around with Jay Leno

Turns out, it was Couric’s.