"Sorry, Right Number" is a teleplay written by author Stephen King for an episode of the horror anthology series Tales from the Darkside.
The Tales from the Darkside episode originally aired in 1987, and starred Deborah Harmon and Arthur Taxier as Katie and Bill Weiderman, with Rhonda Dotson as Katie's sister Dawn and Katherine Britton, Brandon Stewart and Nicole Huntington as the Weiderman children.
The cast included Darrin Stevens, Karla Droege, Michael Brady, Kimberly D'Armond, Karoline Striplin, and Barbara Weetman.
Her children are arguing about whether or not to watch Spider's Kiss, a gory TV adaptation of Bill's earlier novel.
That night, Katie finds her husband slumped in his chair, dead from a heart attack.
She realizes the truth of what happened that night, and the episode ends with Katie sobbing over her lost opportunity to save her husband and a close-up shot of the ominous-looking telephone.