The Dream Doll (1917)

A. Knutt, a crack-brained chemist, discovers an elixir that will endow dolls with life. He does not know that it will change living persons to dolls. He shows his invention to the Toy King and his lovely daughter, and Ruby is overcome by the fumes and is changed into a doll, eloping with a doll lover and undergoing many strange adventures.

Unfortunately the movie The Dream Doll is not yet available on HBO Max.