When the Teen Titans receive an emergency call from Smedleyville, they discover 16-year-old Penny and her friend Garn—as well as a caveman attacking the people of the city! But what connection do the crazed caveman and Garn share?
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Archie Goodwin, Joe Millard, Bill Finger, Bob Haney, Kurt Schaffenberger, Bob Kane, Jack Cole, Sal Amendola, Howard Chaykin, Alex Toth, Paul Gustavson, Jim Mooney & Walt Simonson
