Saturday Night Live · season 44, episode 858 · Saturday, December 8, 2018 Host: Jason Momoa. Musical guest: Mumford & Sons. • Mumford & Sons perform "Guiding Light" and "Delta". • Robert De Niro appears as Robert Mueller in the cold open. • A picture of SNL writer and future cast member Bowen Yang appears during "Khal Drogo’s Ghost Dojo". Wiki link