"Saturday Night Live"(1 episode) ... aka NBC's Saturday Night (USA: first season title) ... aka SNL (USA: informal title) ... aka SNL 25 (USA: alternative title) ... aka Saturday Night (USA: second season title) ... aka Saturday Night Live '80 (USA: sixth season title) ... aka The Best of Saturday Night Live (USA: rerun title)
"Late Show with David Letterman"(1 episode) ... aka Late Show Backstage (USA: title for episodes with guest hosts) ... aka Letterman (Australia) ... aka The Late Show (USA: informal short title)
Whither Canada? (5 October 1969) - Voice Over #1 / Wolfgang Amadeus Mozart / Mariolini / Pepperpot #2 / Interviewer #2 / Viking / Sam Trench / General #2 / Officer / Joke Victim / Nazi, Writer (written by)
Sex and Violence (12 October 1969) - Voice Over #1 / First Frenchman / Pepperpot #4 / Interviewer / Southerner / A Scottsman on a horse / Mr. A / Stockbroker / Vicar, Writer (conceived and written by)
Owl-Stretching Time (26 October 1969) - Voice Over #1/Janet/RSM Teaching Self-Defense/Man with Rustic monologue/Stapleton the Bookseller, Writer (written by)
Man's Crisis of Identity in the Latter Half of the 20th Century (16 November 1969) - Voice Over/General/Officer/A man in the street/Vox pop interviewer/Shouting man with handkerchief on his head/Brigadier Arthur Gormanstrop (Mrs.)/Silly Job Interviewer/Woman who is offered a burglary, Writer (written by)
You're No Fun Anymore (30 November 1969) - Announcer/Peter/Board Member/American Voice/Sergeant, Writer (written by)
Full Frontal Nudity (7 December 1969) - Voice Over #1 / Sergeant / Store Manager / Chartered Accountant / Lionel / Eric Praline / Third Young Man, Writer (written by)
The Ant, an Introduction (14 December 1969) - Voice Over/Spanish Lecturer/The Announcer/Sir George Head/Member of the Mounties choir/Brigadier Sir Charles Arthur Strong (Mrs.)/Brian Equator, Writer (written by)
Untitled (21 December 1969) - Voice Over #1/Robber/Voice of Block/Vocational Guidance Counsellor/David/Customer/Pearson/Captain R. H. Pretty/Roger Thompson, Writer (written by)
The Naked Ant (4 January 1970) - Voice Over #1/Second Man/Professor Tiddles/Mr. Hilter (Adolf Hitler)/Interviewer/Stockbroker/First Sergeant/Upperclass Twit/Upperclass Twit of the Year Commentator/Third Robert, Writer (written by)
Intermission (11 January 1970) - Voice Over #1/Douglas/Albatross seller/Inspector/Nurse/Interviewer/First 'Probe-Around' Host/Policeman at Ouija board/Beryl/Flight Lieutenant Ken Frankenstein (Mrs.)/Dr. Larch, Writer (written by)
Dinsdale! (15 September 1970) - The Announcer / Sir Vincent 'Kill the Chaps' Foster / Third Gas Man / Mr. Teabags, the Minister of Silly Walks / Brian Trubshawe / 'Ethel the Frog' Presenter / Gloria / Theatre Critic for the 'Western Daily News', Writer (written by)
The Spanish Inquisition (22 September 1970) - Man with flying contraption/The Announcer/BBC Man/Politician/Gumby standing on water/First Businessman/Counsel, Writer (written by)
Deja Vu (29 September 1970) - The Announcer/Voice Over #1/Second Pilot/Bus Hijacker/St. John Limbo/Highlander/Man at Desk, Writer (written by)
The Buzz Aldrin Show (20 October 1970) - Announcer/Gumby #2/Mr. Wiggin/Voice Over #2/East Midlands Poet Board Sales Manager/Derek Hart/Naughty Chemist/Various, Writer (written by)
It's a Living (3 November 1970) - Announcer/Man with Dung/Peter/Fourth Man/Linkman/Third Officer/Various, Writer (written by)
The Attila the Hun Show (10 November 1970) - Announcer / Attila the Hun / Fifth Groupie / Cricketer / Arthur Figgis / Kevin O'Nassis / First City Idiot / Fourth Old Idiot / Jim / Michael Miles, Writer (written by)
Archaeology Today (17 November 1970) - Sir Robert Eversley / Referee / Mrs. Dreary Fat Boring Old Git / 'Mosquito Hunters' Narrator / Ludwig van Beethoven, Writer (written by)
How Not to Be Seen (8 December 1970) - Advertising Boss/Announcer/Mr. Glans/Gavin Millarrrrrrrrrr/Man with Enormous Ears/Old Gramophone/Fourth City Gent/Priest/Naughty Bishop/Narrator, 'How Not to Be Seen'/Various (voice), Writer (written by)
Spam (15 December 1970) - The Announcer/Hungarian/Defence/Second Ypres Voice Over/Auctioneer/Padre (as John Spam John Spam John Spam Cleese), Writer (written by)
Royal Episode 13 (22 December 1970) - Announcer/Mr. Sm/Mr. Feldman/First Doctor/Fifth Doctor/Fifth Sailor/Various, Writer (written by)
Montreux Special (16 April 1971) - Various Roles, Writer (written by)
Njorl's Saga (19 October 1972) - Announcer/Prosecuting Counsel/Mrs. Premise/Head of Drama/Alan Whicker #5/Various (as John Cleese Whicker), Writer (written by)
Mr. and Mrs. Brian Norris' Ford Popular (26 October 1972) - Announcer/Alan/Mrs. Nigger-Baiter's Son/Second Presenter/Fourth Knight/First Officer/Police Chief/Various, Writer (written by)
The Money Programme (2 November 1972) - Announcer/Inspector Leopard/First Explorer/Mr. Vibrating/Policeman/Various, Writer (written by)
Blood, Devastation, Death, War and Horror (9 November 1972) - The Announcer/Game Show Presenter/City Gent/'Life and Death Struggles' Narrator/Voice Over/Jack (as John Ecles), Writer (written by)
The War Against Pornography (23 November 1972) - Announcer/Gumby Specialist/Mr. Zorba/First Interviewer/Various, Writer (written by)
Salad Days (30 November 1972) - Announcer/Interviewer/Gladys/Doris/Mr. Mousebender/Various, Writer (written by)
The Cycling Tour (7 December 1972) - Driver/Doctor/M. Brun/Mr. Livingstone/Secret Policeman Bag/General/Various, Writer (written by)
The Nude Man (14 December 1972) - Second Airline Pilot/Announcer/First Radio Voice/Mr. Wang/Mr. Robinson/Brigadier/Voice Over #3/Various, Writer (written by) (as The Usual Lot)
E. Henry Thripshaw's Disease (21 December 1972) - Announcer/Roger Last/Dr. E. Henry Thripshaw/Various Roles, Writer (written by)
Dennis Moore (4 January 1973) - Announcer/Dennis Moore/Lord Kinwoodie/PA Announcer/Mr. Bones/Various, Writer (written by)
A Book at Bedtime (11 January 1973) - Second Reader/Captain/'Penguins' Presenter/Second Major/First Producer, Writer (creator)