If this episode aired on a Thursday night then the date should be listed as May 10, 1990.
Richard:(to Danny) If you're going to jump... jump. I don't know what we're doing up here, all I know is I'm not crazy about heights and I'm getting cold.
Michael: I get angry and spiteful and that's how I get my energy... but you... you're really crazy. I admire that.
Richard: Thank you Michael.
German episode title: "Zwischen zwei Vätern", meaning "Between Two Fathers".