"'Repent, Harlequin!' Said the Ticktockman" was adapted as a graphic novel in 1997 by Ellison and illustrator Rick Berry. The book was published by Underwood Books.

A collection of Ellison short stories is available as an electronic book, released by Fictionwise.com in 2003, and available for download through Microsoft Reader. Volume 1 includes the story, "'Repent, Harlequin!' Said the Ticktockman."

A recording of Ellison's adaptation of "'Repent, Harlequin!' Said the Ticktockman" for the radio series 2000x, released in 2000, is provided by Hollywood Theatre for the Ear and is available through Audible.Com. Ellison narrates the story, and Robin Williams plays the Harlequin.