writer: Gordon Russell director: John Sedwick air date: 10/09/67
Sarah Collins shows Dr. Woodard the secret room, but she disappears before he can learn more. Julia Hoffman is shocked to learn that Woodard believes that Sarah is the vampire, Barnabas' sister and has returned with a purpose in mind.
writer: Gordon Russell director: John Sedwick air date: 10/10/67
Woodard continues his research at the cemetery and makes an unexpected discovery. Now convinced that he has uncovered Barnabas Collins' secret, Woodard goes to the Old House to confront him.
writer: Gordon Russell director: John Sedwick air date: 10/11/67
Woodard's confrontation convinces Barnabas that he must maintain his secret, warning Julia to destroy all her notes relating to the experiment. Julia appeals to Woodard in an attempt to save him.
writer: Ron Sproat director: Lela Swift air date: 10/12/67
Woodard manages to gain access to Julia's bedroom and finds her notebook on the experiment, which he steals. Later, Barnabas and Julia are mortified to discover that the book is missing.
writer: Ron Sproat director: Lela Swift air date: 10/13/67
Barnabas demands that Julia helps him to kill Woodard. Woodard arranges a meeting with Sam and the sheriff to discuss the notebook, but Julia and Barnabas pay a visit before it can take place.