Final appearances of Matthew Cooper, Hank Lawson, Preston Lodge and Teresa Morales Slicker; the actors who portrayed these characters did not reprise their roles in the movies that continued the series.
Last show of the series.
Joe Lando said in a YouTube interview that he truly did not know how to dance, but learned for the show.
First time Grace is seen playing piano.
Jason Leland Adams' Wikipedia page states that if there had been a season 7 of the series it would have included a developing storyline about Preston Lodge's father sending him a mail order bride.