A visual transition traps Maggie Evans in the Old House.  From Dark Shadows episode 261.

"Merely wondering if there is something in you that reaches out towards unnatural creatures."  From Dark Shadows episode 790.

"Honey, my memory of the past is as dim as my chances for the future."  From Dark Shadows episode 845.

"I just don't like the idea of a crystal ball deciding my future."  From Dark Shadows ep. 49 and Shadowland, 1923.

From Dark Shadows episode 603.

"There are some things people know without having proof, and I know."  From Dark Shadows episode 1228.

"Even grownups have nightmares sometimes.  Now close your eyes and see if you can go to sleep."  From Dark Shadows episode 17.

"Vampirism?"  From Dark Shadows episode 1169.

From Dark Shadows episode 599.

Monstrously evil, from Dark Shadows episode 209.

"I summon spirits unknown to me."  From Dark Shadows episode 544. 

The doctor said a character is quickly dying because she has lost the will to live, but when you visit the sickroom, don't mention her condition to her because she has no idea that she's lost the will to fight for another day.  From Dark Shadows episode 1233.

To understand the shades of meanings in these three hmphs, see Webster's Dictionary of Improbable Words: All-Consonant and All-Vowel Words.  From Dark Shadows episodes 399, 1019, and 1053.

A transition between two angles of the Collinwood estate creates strange hybrid architecture.  "But something worse than nightmare grips the final dark."  From Dark Shadows episode 250.

From Dark Shadows episode 227.

Daphne: I don't know what to do.

Quentin: Just do nothing.

From Dark Shadows episode 1150. 

"On this night, he will ask the terrifying question, which will bring an even more terrifying answer."  From Dark Shadows episiode 1027.

It's not all doom and gloom!  From Dark Shadows episode 467.

"You think this place is spooky now?"  From Dark Shadows episode 29.

"Don't be gentle. Frighten me. Threaten me, make me run away from you! But please, don't be gentle with me. Oh, you know me so well. You are a demon! The demons in me are in league with you!"  From Dark Shadows episode 1205.