Vetenskapens värld - Season 11
1 - Episode 1
Air Date: January 24, 1981
2 - Episode 2
Air Date: February 21, 1981
3 - Episode 3
Air Date: March 21, 1981
4 - Episode 4
Air Date: April 25, 1981
5 - Episode 5
Air Date: December 22, 1981