20/20 1978 | TV Show Watchlist

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A durable newsmagazine mixing investigative pieces with human-interest and celebrity features that's ABC's oldest prime-time series despite its notoriously rocky premiere. (Hosts Robert Hughes and Harold Hayes lasted only that one show.)

Premiered: June 6, 1978

Rating: None

User Rating:2.68 out of 5 (199 ratings)

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Season 37, Episode 19 A Special Edition of 20/20 - Mysteries of the Castle: Beyond 'Downton Abbey'

First Aired: December 26, 2013

The history of the English castle that inspired the series "Downton Abbey" is examined.

Guest Cast