Guest co-hostess Ilana Glazer (Broad City (2014)); Kate McKinnon (Saturday Night Live (1975) and Office Christmas Party (2016)); Riz Ahmed (Rogue One (2016)).

Ryan Seacrest is revealed as Kelly's new permanent co-host; Chris Pratt previews the film "Guardians of the Galaxy Vol. 2"; 11-year-old P.J. Ball demonstrates his sport-stacking skills.