I had a strange feeling as Barnabas and Chris stood by the coffin of the unknown infant contemplating the pentagram and thinking that perhaps the blonde ghost was the infant's mother. It seemed to me as if Chris's problem had been two-dimensional before, and now another dimension, time, had been added - a painting turning into a diorama. Time is usually the fourth dimension, not the third, but never mind.
Barnabas seemed quite distressed when he said, "It's an infant!" I didn't expect that, and found it touching: another dimension (it's a day for dimensions) added to Barnabas.
What does David Selby know of the infant? Quentin appeared sad as he looked at Barnabas and Chris with the coffin. Maybe the director just said, "Look sad, David. I'll explain later," in the time-honored Dark Shadows way.
Poor David (Collins, not Selby) is in way over his head, thinking that maybe a book about ghosts and exorcisms can help him. By the way, what was that book doing in a cabinet in the drawing room? With all the denial going on in the Collins family about the existence of the supernatural, such a book shouldn't be anywhere near Collinwood. Maybe Madam Findlay, or Madam Findlay's ghost, left it there.
Breathes there a fan with soul so dead Who never to himself hath said, "Abe Vigoda was just wonderful as Ezra Braithwaite!" His lines could have been very flat, but Vigoda brought them to vigorous three-dimensional life. Poor Abe deserved better than to have his name misspelled in the credits.