He joined Robin's show as her new co-host in 2009. Last Cigarette Ever is the episode Don debuts as Robin's co-host (although he's seen introducing himself to her one episode before, in The Playbook). Although Robin is initially very excited to work with a professional, it takes one news reading for her to change her opinion about him. Don behaves very unprofessionally at work, so much that he doesn't even put on pants (something which catches up with the crew at Channel 12). He also plays racket-ball on air, completes crossword puzzles, and smokes. When she tries to confront him, he admits to her that the morning show is a source of attraction to half-drunk slobs and that people will never take them seriously. Robin tries to prove him wrong and maintains her professionalism by inviting Ne