News TV Videos John Cena hosts this week’s SNL with musical guest Maren Morris Written by Lena Lamoray on December 10, 2016 SATURDAY NIGHT LIVE — “John Cena” Episode 1713 — Pictured: Host John Cena on December 6, 2016 — (Photo by: Rosalind O’Connor/NBC) John Cena hosts this week’s SNL with musical guest Maren Morris. Related posts:Exclusive Interview: Lisa Traugott discusses ‘American Grit’'Chicago P.D' season finale previewsNBC renews 'Chicago Fire,' 'Grimm' and 'Chicago P.D.'