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And we continue with our American stories.

Scooby-Doo, where are you?

This is a question Americans have been asking ourselves for over a half century. This is the story of one of the most iconic cartoons

of all time. Here's Greg Hengler with the story.

1969, America was approaching its 14th year fighting in Vietnam.

A serial killer calling himself the Zodiac terrorized the San Francisco Bay area with cryptic letters.

Actress Sharon Tate and four others were brutally murdered at the hands of Charles Manson

and his counterculture family of so-called flower children.

With all this happening, the song topping the charts was this.

Sugar's Shiger. dropping the charts was this. Sugar, Oh, honey, honey. Sugar Sugar was originally recorded by the fictional garage band, The Archies,

spawned from the cartoon series The Archies,

which itself was based on the long-running comic book series.

This version reached number one in the U.S. on the Billboard Hot 100 chart in 1969,

and remained there for four weeks.

It was the tail end of animation's golden age, and the early years of television animation in particular.

Parent advocacy groups, like the now-unct action for children's television,

were pressuring television networks to drop violent action adventure Saturday morning cartoons

like the Herculoids.

Fred Silverman, the head executive in charge of children's animation at CBS sought new programming that would keep

his Saturday morning block afloat while simultaneously keeping parental watchdogs off his back.

...