nbc contractual agreements had guaranteed conan "the tonight show." n't want to lose jay to a competitor. >> because he's number one. nobody takes the number one off the air. >> nbc's solution? give jay a show in primetime to save the network the higher cost involved in producing scripted dramas and keep leno in the fold. >> it's a sound move, but for jay it was not a sound move, because he was doing something weird. it was not something the audience had ever seen before. >> we've been off the air for three months, or as most people in hollywood call that, rehab. >> jay's 10:00 p.m. show premieres in september 2009. >> while we were off, the government started this program to give people money for their old cars. i made $5 billion. >> leno is back with his monologues and headline humor. but not all of his fans follow him. how bruising was it for jay to have to go to 10:00 p.m.? >> it was kind of bruising for all of us, because we had to figure out what to do just like that. and we thought we were doing a pretty good job at 11:30. >> what do you think w