A retrospective that highlights the highs and woes of the late-night show in the 2000s. Featured: clips, backstage anecdotes and interviews with a slew of "SNL" performers, including Jimmy Fallon, Will Ferrell, Tina Fey, Bill Hader, Chris Kattan, Seth Meyers, Tracy Morgan, Amy Poehler, Andy Samberg and Kristen Wiig. Also: insight from memorable hosts, such as Alec Baldwin and Christopher Walken.