Tomorrowland

"Don visits California with Megan and his kids while Peggy and Ken work to save SCDP. Betty lashes out after finding out a secret of Sally's.""Tomorrowland" is the thirteenth and final episode of the fourth season of Mad Men and the fifty-second episode of the series overall. Written by Matthew Weiner and Jonathan Igla and directed by Weiner, the episode first premiered on AMC on October 17, 2010.