In 2017, Norton's special "A Mouthful of Shame" debuted on Netflix. He promoted it with the 31-date Mouthful of Shame Tour, his first nationwide theatre tour as headliner, throughout 2016. The special includes an opening with Robert De Niro spanking Norton's bare bottom. Later in 2017, Norton embarked on his first stand-up tour of Europe. He signed with WME to pitch ideas for his own series on Netflix. He appeared in Season 2, Episode 1 of the Netflix standup comedy series "The Degenerates", released on 31 December 2019.