Series 1 ran from 1969 to 1970, and first episode was Whither Canada?, and last episode was Intermission. Every episode started with the It's Man, saying "it's" and the intro and theme song playing.

When Earth astronaut Capt. Chuck Baker arrives on Planet 51 -- a world reminiscent of American suburbia circa 1950 -- he tries to avoid capture, recover his spaceship and make it home safely, all with the help of an empathetic little green being.

Life's questions are 'answered' in a series of outrageous vignettes, beginning with a staid London insurance company which transforms before our eyes into a pirate ship. Then there's the National Health doctors who try to claim a healthy liver from a still-living donor. The world's most voracious glutton brings the art of vomiting to new heights before his spectacular demise.

A representative of an alien race that went through drastic evolution to survive its own climate change, Klaatu comes to Earth to assess whether humanity can prevent the environmental damage they have inflicted on their own planet. When barred from speaking to the United Nations, he decides humankind shall be exterminated so the planet can survive.

Brian Cohen is an average young Jewish man, but through a series of ridiculous events, he gains a reputation as the Messiah. When he's not dodging his followers or being scolded by his shrill mother, the hapless Brian has to contend with the pompous Pontius Pilate and acronym-obsessed members of a separatist movement. Rife with Monty Python's signature absurdity, the tale finds Brian's life paralleling Biblical lore, albeit with many more laughs.

King Arthur, accompanied by his squire, recruits his Knights of the Round Table, including Sir Bedevere the Wise, Sir Lancelot the Brave, Sir Robin the Not-Quite-So-Brave-As-Sir-Lancelot and Sir Galahad the Pure. On the way, Arthur battles the Black Knight who, despite having had all his limbs chopped off, insists he can still fight. They reach Camelot, but Arthur decides not to enter, as "it is a silly place".

Cars fly, trees fight back, and a mysterious house-elf comes to warn Harry Potter at the start of his second year at Hogwarts. Adventure and danger await when bloody writing on a wall announces: The Chamber Of Secrets Has Been Opened. To save Hogwarts will require all of Harry, Ron and Hermione’s magical abilities and courage.

Harry Potter has lived under the stairs at his aunt and uncle's house his whole life. But on his 11th birthday, he learns he's a powerful wizard—with a place waiting for him at the Hogwarts School of Witchcraft and Wizardry. As he learns to harness his newfound powers with the help of the school's kindly headmaster, Harry uncovers the truth about his parents' deaths—and about the villain who's to blame.