Bramwell Collins- Jonathan Frid is talking to Daphne Harridge - Kate Jackson he says, "Well Catherine, do you want to postpone it?" when he meant to say Daphne.
Catherine Harridge - Lara Parker leaves the room that Morgan Collins - Keith Prentice is in, there is a mirror on the back wall showing people walking around.
Lee Beery - Joanna Mills tells Kate Jackson - Daphne Harridge "All the arrangements have been made. At three o'clock tomorrow morning you and Daphne are going to leave Collinsport forever!" She meant to say you and Quentin.
When Lee Beery - Joanna Mills enters the fishing shack where David Selby - Quentin Collins is she says, "Joanna's safe.... Guess what! Daphne's safe! She's safe at Collinwood!" I don't know if this was planned as a mentally challenged person's speech or not.
Christopher Pennock - Gabriel Collins tells Lee Beery - Joanna Mills as they talk about the missing Daphne, "I'll let your wife know if I see her." When he meant to say "I'll let your sister know if I see her."
A mysterious singing voice can be heard through musch of this episode. Since it wasn't a part of the show, our only guess can be is that some kind of concert was being rehearsed elsewhere in the studio. (Collinwood is obviosuly a very musical place.)
The sound of someone sneezing can be heard during the scene between Maggie and Sebastian in Maggie's bedroom
When Barnabas and Sebastian talk about Maggie's need to leave Collinwood, Barnabas accidently calls Sebastian 'Quentin' but quickly fixs his error.
The copyright saids 1970 instead 1969.
Quentin and Beth play both their characters and ghosts of their characters during a flashback of Quentin's death.
After Charity Trask knocks on Timothy Shaw's bedroom door, the Soundman gets a little too close to the actor when he answers her. The microphone nearly hits him on the head.
Although she introduces herself to Barnabas as Sophie Baker, K.C. Townsend is credited as Sophie Barnes.
During the closing credits, Jonathan Frid comes into view, carrying his street clothes. He quickly exits the picture.
Barnabas almost calls Collinwood "Hollywood" but quickly corrects his mistake.
In the closing credits, Abe Vigoda's last name was misspelled 'Vidogo'.
At the end of the episode, Nathan raises the mallet to hammer the stake into Barnabas's heart, but he shouldn't have the power to do that if he is Barnabas's slave. (remembers when Maggie Evans tried to stake Barnabas, and Willie had to stop her even though his hatred for Barnabas was greater than any other)
As Barnabas and Julia look through the bars of the basement door, Barnabas believes the camera to have left them at a certain moment. Thinking that no one is watching, he mutters something to Julia and sticks a finger up his nostril.
Tom Gorman as Mr. Prescott accidently refers to Victoria as 'Gloria Winters'.
In the closing credits, Thayer David walks in and sees the camera and walks out.
When Dr. Lang leaves a message on the tape recorder, the actor accidently turns off the machine.