Reg was released in the year 1990。Reg is also called as Back to the Future Part III, Regreso al futuro III, Powrót do przyszlosci III, Paluu tulevaisuuteen III, Epistrofi sto mellon 3, De Volta para o Futuro Parte III, Behazra L'Ateed 3, deel 3, Back to the future, Retour vers le futur III。

The conclusion of the trilogy sends Marty McFly on a rescue mission to the year 1885, where he must save Doc Brown from death at the hands of yet another member of the Tannen clan. However, there are a number of complications preventing a quick return to the future: a lack of gasoline for the time-traveling DeLorean, a band of gunslinging outlaws and a schoolmarm with affections for the smitten Doc.

Reg actors and actresses include Bill McKinney, Elisabeth Shue, Harry Carey Jr., Jeffrey Weissman, Mary Steenburgen, Sean Gregory Sullivan, Thomas F. Wilson, Wendie Jo Sperber。