The rocker delivered electrifying performances from last year's "Fear of the Dawn" and "Entering Heaven Alive."
"Stop tearing this country apart," White tells the the cast member in this week's bit.
Harrelson will be joining the five-timers club when he hosts 'Saturday Night Live' this weekend.
Jenna Ortega and Travis Kelce will also make their hosting debuts.
The British band was joined by Jacob Collier and the Jason Max Ferdinand Singers.
The Atlanta rapper's performance featured tracks from his Billboard 200-topping album, "It's Only Me."
Heidi Gardner was a bit confused when Michael B. Jordan introduced the rapper.
The appearance marked the U.K. star's third time as musical guest on the iconic sketch comedy show.
"The first night of Hanukkah, they really kick things off with a bang," Cecily Strong says of the retirement home festivities.
The 'Elvis' star gave Strong a 'Blue Christmas' sendoff on Dec. 17.
