The 500th episode of Doctor Who airs on BBC1, continuing the Key To Time storyline. John Woodvine (Knights Of God) and Lalla Ward guest star. Valentine Dyall makes his first appearance as the Black Guardian. This is the final six-part Doctor Who story to be broadcast.

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The 24th episode of the live-action series based on Marvel’s comic The Incredible Hulk airs on CBS, starring Bill Bixby, Jack Colvin, and Lou Ferrigno. Kathryn Leigh Scott (Dark Shadows) guest stars.
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