Conversation so far:
when did the Late Night with Conan O'Brien debut?
O'Brien's Late Night debuted on September 13, 1993, with Andy Richter chosen as O'Brien's sidekick.
who was the first guest on Late Night with Conan O'Brien?
The premiere episode featured John Goodman, who received a First Guest medal for his appearance, Drew Barrymore, and Tony Randall.
how was theLate Night with Conan O'Brien show first received?
Critics initially attacked O'Brien and generally viewed O'Brien as nervous and fidgety on-camera.
who was the band in the debut episode of Late Night with Conan O'Brien?
The show's first musical guest was English rock band Radiohead, who performed during the second episode.
did they cancel Late Night with Conan O'Brien?
O'Brien's performances improved throughout the following year and Late Night reached a new level of critical and commercial success in 1996.
how old was Conan when it debuted?
Conan O' Brien was 30 years old when the late night show debuted.
what tv station did Late Night with Conan O'Brien debut on?
Late Night with Conan O'Brien appeared on NBC between 1993 and 2009.

Question: what time slot?
Self-contained rewrite: what time slot was Late Night with Conan O'Brien on?