Mater and Lightning McQueen are ready to rock! When Mater's garage band, Mater and the Gas Caps, records a hit song, Mater becomes a rock legend. Then Lightning joins Mater's band for the rock concert of the century!
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Heavy Metal Mater (2010) is a animation movie. Starring Larry the Cable Guy, Keith Ferguson, George Carlin. Rated 6.1/10 on TMDB. Watch it online free on ZapFlix.