Amy Poehler Surprises Will Arnett on 'SmartLess' Podcast, Dives Into Co-Parenting Their Kids After Divorce

Will Arnett, Sean Hayes and Jason Bateman's "SmartLess" podcast celebrated its 250th episode Monday with a surprise guest appearance – from Arnett's ex-wife, Amy Poehler. Poehler, who recently launched her own "Good Hang" podcast, worked with Hayes to keep her appearance on "SmartLess" a secret from both Arnett and Bateman. "It was really easy to hide it. Nobody was asking," she said. Apparently, only her and Arnett's youngest son, Abel, figured it out beforehand. "Our youngest saw my schedule on the kitchen table and said, 'You're doing 'SmartLess'? Does Dad . . .