The Late Show with Stephen Colbert Season 2 Josh Groban, Rachael Ray, Japandroids Season 2, episode 84 Josh Groban, Rachael Ray, Japandroids January 31, 2017 45 min Singer Josh Groban; chef Rachael Ray; Japandroids perform. Previous episode Leslie Mann, Lewis Black, Dan Levy Next episode Ricky Gervais, Christina Ricci, Jain