Elephants stampede Allison Williams on her scary safari. - Late Show

Saturday, January 12, 2013 Elephants stampede Allison Williams on her scary safari.

Saturday, May 18
The dreaded Space Garfunkel of "Star Trek."

Friday, May 17
If the show feels off, it may be that the host is bleeding.

Wednesday, May 15
If this bit lasts longer than 4 hours, please call Dave's doctor.

Tuesday, May 14
Barbara Walters in a tribute to a career of reactions.

Monday, May 13
It's Barbara Walters like you've never seen her before.

CBS