The best episode written by Stephen Hattman is "Sins of the Father", rated 7/10 from 1 user votes. It was "directed by Jonathan Sanger". "Sins of the Father" aired on 11/8/1990 and is rated 1.0 point(s) higher than their second highest rated, "Twin Streaks".
A bank robber escapes from prison. He goes back to Central City to get his money and revenge on the cop who busted him, Henry Allen, Barry's father.
Director: Jonathan Sanger
Writer: Stephen Hattman
A scientist and his business partner are trying to develop a being with super speed, their attempts fail. They manage to clone the Flash. Their creation learns quickly, but is emotional moral equivalent of a child. Barry must stop his twin.
Director: James A. Contner
Writer: Stephen Hattman