Dongfang Qingcang never wanted to kill his father. He loved him so much that when his emotional root slowly came back he felt all the pain and he felt it was unfair that with all the love that he had for his father, he felt like his father only saw him as a tool to get back at the Fairy realm. He showed his vulnerability in this conversation with his father and it's so heart wrenching to watch.
Today in the Department of Before They Were Star Trek Stars, DeForest Kelley guest stars in "A Taste of Peace," episode 24 of the single season of The Gallant Men (original air date March 16, 1963). In this WWII action/drama, Kelley plays an Army Colonel who offers the main character a desk job behind the lines after he's wounded in action,
Bonus for the Dark Shadows fans: Baby Roger Davis.
With some of the cast not returning and a few 'darker in tone' storylines; this season did struggle in certain places... but there were also some good high-points and I think it was the right possible ending for the show.