- Who
- The Tonight Show
- What
- 64 year(s)
- Where
- United States ()
- When
- 2018
The world's longest running-chat show is The Tonight Show (NBC, USA), which was first aired on 27 September 1954 and presented by Steve Allen (USA). The Tonight Show Starring Jimmy Fallon has been hosted by Jimmy Fallon (USA) since 2014, when he took over from Jay Leno (USA), who inherited the reins in 1992 from Johnny Carson (USA), who began hosting the show in 1962.
