A Dog of the Regiment
Based on Rin Tin Tin's own life
10/29/1927
Imdb: tt0017817
Tmdb: 294377
Popularity: 0.978
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During World War I, Rin-Tin-Tin finds that he must rescue his master, a fighter pilot, from his wrecked aircraft. He also has to help him escape his rival, who has ordered him shot so he can have the girl they're competing for all to himself.