Only a season later, both Kelly and Kris would seemingly have complete "amnesia" as to their own paranormal experiences here: in Tiffany-centric Of Ghosts and Angels (1980), both of them mock and scoff at the notion that Tiffany (Shelley Hack) lead séances in high-school and that---when tested---she showed strong ESP and other psychic abilities.
Joseph Hacker (Eric Knight) previously appeared as a different character in season two's Antique Angels (1978) and later, in season four's Angels at the Altar (1979).
Rick Casorla (the recorded voice of Martin Faber, deceased) previously appeared as a different character in season two's Antique Angels (1978), season three's Pom Pom Angels (1978), and later in season four's Angel's Child (1980) and season five's Angel on a Roll (1981).
Clint Young (Coach) later appeared as a different character in season four's One Love... Two Angels: Part II (1980).