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When TV Shows 'Jumped the Shark'

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13. 'Scooby-Doo' - Scrappy-Doo Arrives

Scooby-Doo's pint-sized nephew Scrappy-Doo was added to the iconic animated series in 1979 in an effort to boost the show's waning ratings. And while Scrappy initially succeeded in saving "Scooby-Doo," Hanna-Barbera's attempts to retool the series around him — combined with the pup's insufferable exuberance — ultimately aided in sinking the franchise. —XFINITY Entertainment Staff (Photo: ABC)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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