The best episode written by Michael O'Mahony is "Luck o' the Ducks", rated 6.2/10 from 4 user votes. It was "directed by Terence Harrison". "Luck o' the Ducks" aired on 11/26/1987 and is rated 5.2 point(s) higher than their second highest rated, "Justice".
After finding a leprechaun, Scrooge is led to Ireland, where he believes that he'll find a vast fortune of gold.
Director: Terence Harrison
Writer: Michael O'Mahony
When Immortal Katya's adopted daughter is murdered, the courts let the killer-- her husband-- walk free. Now Katya's an avenging angel, determined to see justice done at any cost... but can MacLeod convince her that justice and revenge aren't the same thing?
Director: Richard Martin
Writer: Michael O'Mahony