Late night
› “Conan” (11 p.m., TBS, repeat) visits Haiti.
› Neil deGrasse Tyson is booked on “The Late Show With Stephen Colbert” (11:35 p.m., CBS, repeat).
› Billie Lourd, Maggie Gyllenhaal, Tim Roth and Macklemore appear on “The Late Late Show With James Corden” (12:35 a.m., CBS, repeat).
› Jimmy Fallon and Seth Meyers are pre-empted for Olympics coverage.