Pablo Schreiber talks about playing Master Chief in the much-anticipated television series “Halo”, which Reggie Watts is excited about, but not as excited as Pablo’s kids were about Pablo coming to see James tonight. Then Pablo, a big fan of David Duchovny’s portrayal of agent Fox Mulder, suggests a new sci-fi mashup series combining their characters. And they take a look at rehearsal video of David learning some TikTok dance moves. | The Late Late Show with James Corden