John Mulaney chats with ET's Kevin Frazier at the premiere of his new film, 'Madden,' before it streams globally on Prime Video and hits select theaters on Nov. 18. John shares how his wife, Olivia Munn, helped him dive into the world of video games for this role, and gushes over his daughter, who made sure he was in full glam for his recent colonoscopy. More from Entertainment Tonight: https://www.youtube.com/channel/UCdtXPiqI2cLorKaPrfpKc4g?sub_confirmation=1 Exclusives from #EntertainmentTonight :
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