August 5, 1990

Season 5

01. The Nuts and Bolts of Ben Bowlby

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August 5, 1990

02. The Greenhouse Conspiracy

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August 12, 1990

03. Selling the Secret

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August 19, 1990

04. Blue Skies

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September 2, 1990

05. Spitfire

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September 9, 1990

06. Trouble on the Line

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September 23, 1990

07. Fly-by-wire: Technology on Trial

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September 30, 1990

08. The Light Stuff

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October 7, 1990

09. Junk Mail

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October 14, 1990

10. The Mind Benders

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October 21, 1990

11. The Winning Streak

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October 28, 1990

12. A Brush with the Greens

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November 4, 1990

13. Patently Obvious?

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November 11, 1990

14. Superpowers?

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November 18, 1990

15. Sex, Lies and Toupee Tape

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November 25, 1990

16. The Gold Brush - Paint's Green Revolution

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December 2, 1990

17. Towards a Cure for Cancer

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December 9, 1990

18. School's Out

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December 16, 1990

19. Going Downhill Fast

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December 23, 1990