Late night television
block of television programming occurring during the late evening and overnight hours
Late night television is a timeslot after primetime and before the overnight graveyard slot. It runs from 11:30 p.m. to 2:00 a.m. Eastern Time. In the United States, local news precedes the block. Shows include The Late Show with Stephen Colbert on CBS, The Tonight Show Starring Jimmy Fallon on NBC, and Jimmy Kimmel Live! on ABC.