Release Message:  The guys build a "do-it-yourself" airplane, but when they test it out, they discover they have built a time machine that transported them to the Stone Age.

Description:  The guys are hanging out at the Teen Center, building a "do-it-yourself" airplane, but when they test it out, they discover they have built a time machine that transported them to the Stone Age. They soon meet Dula, a pretty cavegirl, who likes Shaggy, but she is soon kidnapped by Wonga, who wants her for himself.