Will Arnett as Nathan Miller, Andy Richter as Doug and Roseanne Barr guest stars as Darla. Worried that his mother has made him feel like he’s better than other people, Nathan befriends a hopeless co-worker, Doug, who turns out to be a social outcast and more than Nathan knows how to handle. Meanwhile, Tom and Adam argue about who’s smarter and take an online test to find out, on THE MILLERS Thursday, April 3 (8:31-9:01 PM, ET/PT) on the CBS Television Network. Andy Richter guest stars as Doug, Nathan’s co-worker. Roseanne Barr guest stars as Darla, Doug’s mother. Photo: Richard Cartwright/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved.