Stephen Cobert decided to go back to where it all began.
Watch clips from Aziz Ansari's debut 'Saturday Night Live' hosting gig (January 21).
Big Sean joins host Aziz Ansari as the musical guest on the January 21 episode of 'Saturday Night Live.'
Jimmy Kimmel will host the show, which is set for Sunday, September 18 on ABC.
Some stars made great use of their screen time, others made asses out of themselves.