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1968
Activity from Friends
Home-Built Observatories
S12 E01 • Friday, Jan 5, 1968 • Jan 5
Calendars of Other Worlds
S12 E02 • Friday, Feb 2, 1968 • Feb 2
The New Planetarium
S12 E03 • Friday, Mar 1, 1968 • Mar 1
Black Clouds in the Galaxy
S12 E04 • Friday, Mar 29, 1968 • Mar 29
Flights of Space Fancy
S12 E05 • Friday, Apr 26, 1968 • Apr 26
A Close Pass by Icarus
S12 E06 • Friday, May 24, 1968 • May 24
The Unquiet Sun
S12 E07 • Friday, Jun 21, 1968 • Jun 21
Pulsars
S12 E08 • Friday, Jul 19, 1968 • Jul 19
The Structure of the Moon
S12 E09 • Friday, Aug 16, 1968 • Aug 16
The Siberian Eclipse of the Sun
S12 E10 • Monday, Sep 9, 1968 • Sep 9
The Eclipse of the Sun
S12 E11 • Monday, Oct 7, 1968 • Oct 7
The 'Clocks' of Space
S12 E12 • Monday, Nov 4, 1968 • Nov 4
Venus, The Hot Planet
S12 E13 • Monday, Dec 2, 1968 • Dec 2
The Moon and the Earth
S12 E14 • Monday, Dec 30, 1968 • Dec 30
1968
1968 • 14 Episodes
Activity from Friends
Home-Built Observatories
S12 E01 • Friday, Jan 5, 1968 • Jan 5
Calendars of Other Worlds
S12 E02 • Friday, Feb 2, 1968 • Feb 2
The New Planetarium
S12 E03 • Friday, Mar 1, 1968 • Mar 1
Black Clouds in the Galaxy
S12 E04 • Friday, Mar 29, 1968 • Mar 29
Flights of Space Fancy
S12 E05 • Friday, Apr 26, 1968 • Apr 26
A Close Pass by Icarus
S12 E06 • Friday, May 24, 1968 • May 24
The Unquiet Sun
S12 E07 • Friday, Jun 21, 1968 • Jun 21
Pulsars
S12 E08 • Friday, Jul 19, 1968 • Jul 19
The Structure of the Moon
S12 E09 • Friday, Aug 16, 1968 • Aug 16
The Siberian Eclipse of the Sun
S12 E10 • Monday, Sep 9, 1968 • Sep 9
The Eclipse of the Sun
S12 E11 • Monday, Oct 7, 1968 • Oct 7
The 'Clocks' of Space
S12 E12 • Monday, Nov 4, 1968 • Nov 4
Venus, The Hot Planet
S12 E13 • Monday, Dec 2, 1968 • Dec 2
The Moon and the Earth
S12 E14 • Monday, Dec 30, 1968 • Dec 30