Black Lightning is an extant 1924 American silent drama film directed by James P. Hogan and starring Thunder the Marvel Dog "supported" by Clara Bow and other "All Star Cast".

[2] As described in a review in a film magazine,[3] with the murder of Frank Larned (Hogan), his sister Martha (Bow) and her little brother were left unprotected and the object of unwelcome attentions from Jim Howard (Mason) and his half-witted brother.

Roy Chambers (Austin), who was gassed in France during World War I, is ordered by the doctor to go to the mountains.

Chance brings him with a police dog he has picked up to the Larned home.

He finds that Martha is the sister of his buddy in France, who saved his life, and Thunder being the dog that came to his rescue.