Twenty-First Birthday

Horizon celebrates twenty one years of work, achievement, and awards with a birthday compilation of highlights from past episodes.

English

Originally Aired May 20, 1985
Runtime 60 minutes
Special Position Airs after season 1985
Content Rating United States of America TV-PG
Network BBC Two
Created February 10, 2020 by
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Modified February 10, 2020 by
Administrator admin