The Sky at Night — Season 20

Episodes

• E1 The Changing Face of Mars1976-01-21—
• E2 The Pole Star1976-02-18—
• E3 Black Holes in Space1976-03-18—
• E4 The Rings of Saturn1976-04-21—
• E5 The Sun and the Earth1976-05-20—
• E6 Neutron Stars1976-06-14—
• E7 Viking to Mars1976-07-15—
• E8 Viking on Mars1976-08-11—
• E9 How Far Can You See?1976-09-09—
• E10 Viking - The End of the Beginning1976-09-28—
• E11 A New Look from Old Greenwich1976-10-28—
• E12 Quasars - the Remotest Objects in the Universe?1976-11-24—
• E13 The Evening Star1976-12-15—