The Sky at Night — Season 21

Episodes

• E1 Sirius, the Dog-Star1977-01-17—
• E2 Travel in Space and Time1977-02-17—
• E3 The Mapping of Mercury1977-03-16—
• E4 Celebrates its 20th anniversary1977-04-20—
• E5 The Solar Cycle1977-05-18—
• E6 Uranus - the Second Ringed Planet?1977-06-15—
• E7 The New Infra-red Telescope1977-07-20—
• E8 The Swan in the Sky1977-08-10—
• E9 The Voyager Missions1977-09-07—
• E10 Stars of the Far South1977-09-28—
• E11 The Amateur Astronomer1977-10-24—
• E12 Why Do the Planets Shine?1977-11-23—
• E13 Suns, Space-ships, and Bug-eyed Monsters1977-12-14—