Atari releases the vector graphics arcade game Asteroids, a space game with as much Newtonian physics as can be simulated in a tiny amount of code. As one of Atari’s biggest hits to date, with over 50,000 cabinets produced, a sequel and home console ports are inevitable. 
ITV airs the 12th episode of P.J. Hammond’s science fiction series Sapphire & Steel, starring David McCallum and Joanna Lumley.
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NBC airs the seventh episode of Buck Rogers In The 25th Century. Jamie Lee Curtis (Halloween) guest stars.