Wow! I saw this episode once when I was a kid. Never imagined I'd see it again...from the net! I suspect this episode contributed to my interest in electronics.
Starlost episode 'Circuit of Death' aired in 1973
Side notes:
1) Twister debuted in 1966. 2) It's Dave Bowman! 3) The technobabble is actually pretty good. "I want to insert a NAND gate into the lines to permanently inhibit the self destruct system."D from BC myrealaddress(at)comic(dot)com British Columbia Canada