The New Scooby-Doo Movies: Season 1, Episode 8

The Secret of Shark Island (28 Oct. 1972)

TV Episode  |  TV-G  |   |  Animation, Comedy, Mystery
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Ratings: 8.4/10 from 30 users  
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The gang meet Sonny and Cher. After being stranded on shark island, the gang decide to investigate the mysterious disappearance of a freight ship.


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Episode credited cast:
Don Messick ...
Scooby-Doo (voice)
Shaggy (voice)
Fred (voice)
Heather North ...
Daphne (voice)
Nicole Jaffe ...
Velma (voice)
Rest of cast listed alphabetically:
Himself (voice)
Herself (voice)
Joan Gerber ...
Florence Halop ...
Larry Harmon ...
(voice) (as Pat Harrington)


The gang meet Sonny and Cher. After being stranded on shark island, the gang decide to investigate the mysterious disappearance of a freight ship.

Plot Summary | Add Synopsis

Plot Keywords:

shark | See All (1) »





Release Date:

28 October 1972 (USA)  »

Company Credits

Production Co:

Show detailed on  »

Technical Specs

Sound Mix:

(RCA Sound Recording)


Aspect Ratio:

1.33 : 1
See  »

Did You Know?


Sonny says that he forgot the spare tire, but there is a spare tire clearly visible on the side of the car. See more »


Sonny Bono: Doggone, we were traveling incognito. How'd you recognize us with my sunglasses on?
Velma: Easy. We just read the monogram on your door: 'Sonny Bono and Mrs. Sonny Bono'.
See more »


References The Hound of the Baskervilles (1939) See more »

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User Reviews

The Secret of Shark Island
20 December 2013 | by (Louisville, KY) – See all my reviews

The New Scooby-Doo Movies (1972)

"The Secret of Shark Island"

The Mystery Inc. gang are driving through a rain storm when they pass Sonny and Cher who are stranded on the side of the road. The famous couple jump into the van and everyone heads to a hotel, which is broken down to say the least. They learn that there are some mysterious sharks that circle the hotel and soon there's a mystery to be solved. The Secret of Shark Island is yet another rather disappointing entry in the series that manages to have no mystery, very few laughs and really not too much working for it. There are several problems here but the majority can be blamed on the script, which really doesn't offer up anything in terms of entertainment. The laughs are pretty much missing and this includes the constant back and forth between Sonny and Cher. Their one-liners are all pretty bad and there's just no chemistry between the two. The gang really doesn't add any laughs either, although Scooby gets a couple good lines scattered throughout the running time. The actual mystery is also pretty bland because it's quite obvious who the bad guy is and the costumes of the sharks just aren't used enough.

Episode: C

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