Conversation so far:
What were the ratings like?
NBC saw a 1.5 rating for the show in the 18-49 demographic as "viable" and a 1.8 as a "home run.
did they change?
The first episode of The Jay Leno Show earned "fast national" estimates of 17.7 million viewers, an 11 Nielsen rating (5.1 among persons 18-49.

Question: did it get more popular as the show went on?
Self-contained rewrite: Did the Jay Leno Show get more popular as the show went on?