It can be a thankless gig, but that’s part of the appeal. “I am drawn to the things that scare me,” O’Brien said as he made final preparations.

Host Conan O'Brien gives a peek inside the 97th Oscar show and reveals which former host stiffed him with an expensive restaurant bill: Jimmy Kimmel.

Conan O'Brien thanks Jimmy Kimmel for Oscars hosting advice. "I came up in a different era of late night when not everybody was chummy," he said.