This was the only television or film appearance of Fred Rogers where he performed as a fictional character (Reverend Thomas). Fred was busy with his public television series at the time of this production.
Fred was in real life was actually an ordained presbyterian minister
This is at least the second time Hank is referred to as the devil. In the episode The Man in the Moon (1994) of season 2 Grace visits Hank and calls him that. In this episode Hank is again referred to as the devil, both in the title of this episode as well as in the dream/nightmare the Reverend has of him.
When Paramount Ranch burned down in the California wildfires of 2018, the only buildings left standing from this show were the train station and the church.
Mrya and Jake have learned to read and write. Hank is still an illiterate. Robert E, a former slave, can read and write.