Rin Tin Tin Jr.

A 12 episode serial starring Rex, the King of the Wild Horses and Rin-Tin-Tin, Jr. Rex is brought from the island of Sujan, where he is worshiped as a God-Horse, to the U.S. to be trained as a polo pony. He escapes, meets Rinty and with the help of Frank Bradley is returned to Sujan. The natives have been persuaded to turn against their God-Horse, however he is rescued just in time before he is burned as a sacrifice. (imdb)

Rex and Rinty's master, John, is falsely accused of murder. To pay for his defense, John's girl friend, Alice, plans to race Rex for money. Meanwhile, John's accuser plans to steal Rex for himself. (archive.org)

A fur trapper catches another trapper trying to steal his furs. He stops the thief, but later on the furs are stolen anyway. Rin Tin Tin Jr. tracks down the thief to try to get the furs back. (imdb)

Rin-Tin-Tin brings the killer of his mistress to justice. (imdb)

Funds are embezzled and a fur trapper is murdered. Rin Tin Tin to the rescue! (imdb)

Insurance Agent Ted Sanders has been called in to investigate a robbery and murder. A deputy also arrives to investigate. But unknown to Ted, the Deputy is a fake and actually part of the gang. The fake plants some of the money in Ted's room so he can arrest him. Then with the help of the gang he plans to finish Ted off. (imdb)

Only a 30 minute condensed version remains of this cops and robbers tale about rum-runners, cop killers, and Rin Tin Tin.

A wandering cowboy attempts to locate a pal who has struck it rich in mining. When he gets to town, no one seems to have heard of the friend. Our hero learns the truth with the aid of a female bandit. (imdb)

An unhappy child, accompanied by his dog, runs away from home and is befriended by a gangster on the lam.

Frank Courtney is the heir to great wealth, but his guardian Norman Bryan secretly plots to do the boy in and steal the inheritance. Only Frank's friend, radio operator Bob Whitlock, and Frank's wolf-dog stand between him and disaster.