Highlander (Season 3, Ep 45): The Samurai

On the basis of a two hundred year old vow, given to her ancestor, Duncan agrees to help a Japanese woman with the problem of her murderous husband.

Justice League (Season 1, Ep 8): Injustice For All Part 1

Lex Luthor gets a terminal diagnosis. He responds to this news by putting together a team of villains.