![](https://image.tmdb.org/t/p/w342/kraRnvjx20NIwtrKghcA6QOYqV2.jpg)
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A sea monster seems to be attacking ships on the River Thames and devouring them whole, and after a passenger goes missing in one of the attacks and no body can be found, Hound is called in to find him.
First Air Date : Nov 06, 1984
Last Air date : May 21, 1985
Episode : 26 Episode
Season : 1 Season
Runtime: 24 minutes