A "sense of something" at the profoundly haunted, cursed, and doomed Collinwood estate.  It's the biggest understatement in over a thousand episodes.  From Dark Shadows episode 1086.

From Dark Shadows episode 907.

Before House of Dark Shadows (1970) there was the House of White Shadows (1903)

"The moment anyone sends for me, it rains."  From Dark Shadows episode 475.

"Distrusting music."  From Dark Shadows episode 910.

Mr. Nobody, from Dark Shadows episode 910.

From Dark Shadows episode 892.

"What I don't understand, I run from."  From Dark Shadows episode 410.

Here's an answer to "What's wrong?"  "Everything that's happened tonight, that's what's wrong."  From Dark Shadows episode 1212.

A great exit line: "I shall not forget this evening.  It is a chapter in a book I intend to finish."  From Dark Shadows episode 475.

"'Must' is a word I do not recognize."  Actually, most everyone at Collinwood, like Bartleby, would prefer not to, as we proved here.  It's more like Collin-wouldn't.  From Dark Shadows episode 641.

"This isn't happening."  From Dark Shadows episode 769.

"The virus did come at a bad time for me."  From Dark Shadows episode 571.

Taking everything personally is the only sensible thing to do, as we learn in Dark Shadows episode 475.

"Like all sudden decisions, I've actually been thinking about it for quite some time."  From Dark Shadows episode 884.

To go on remembering and wishing that things were different, from the bittersweet final episode of Dark Shadows.

"I have seen the future!  I must return there to stay."  From Dark Shadows episode 873.

In this case, the "something something" is something that has a lot of distractions in it.  From Dark Shadows episode 1122.

Ghosts come and go, but music and the pleasure of the senses endure forever.  From Dark Shadows episode 821.

"It makes a girl feel all creepy, having all that hocus pocus said over her."  From Dark Shadows episode 874.