>> yeah. show what happened the first time they did the hollowgram. >> not quite sure what -- >> intergalactic. >> intergalactic glitch. jay leno making a little fun of me, cnn's election during 2008. hollowgram. hard to believe leno has been hosting the "tonight show" for 22 years. i remember well when johnny carson did an emotional farewell. last night it was jay leno's turn. cnn's nischelle turner has the story. >> this has been the greatest 22 years of my life. >> reporter: choking back tears, jay leno took to the stage one last time thursday night. >> i don't like good-byes.