It's the Girl in the Red Truck, Charlie Brown
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It's the Girl in the Red Truck, Charlie Brown is one of many prime-time animated TV specials based upon the popular comic strip Peanuts, by Charles M. Schulz. It was originally aired on the CBS network in 1988.
In the Peanuts comic strip, Spike waves to a girl driving a red pickup truck every day. It's the highlight of his day. In this combined animated and live-action special, we meet the girl, played by Charles Schulz' daughter Jill. She and Spike drive around, looking at the desert scenery and spending some time at a roller rink. However, one night, Spike runs off, and is pursued by people on a nighttime coyote hunt.