"Donnie Darko" is a mind-warping odyssey that's become a cult classic (Image credit: Newmarket Films)

"Have you ever seen a portal?"

The term "cult classic" has been loosely bandied about in cinematic circles until its definition has diluted into nothingness, but never has it been more appropriately applied than to director Richard Kelly’s strange psychological sci-fi thriller, "Donnie Darko", which celebrates its milestone 25th birthday today.

Starring Jake Gyllenhaal, Drew Barrymore, Mary McDonnell, Maggie Gyllenhaal, Patrick Swayze, Jena Malone, and Noah Wyle, "Donnie Darko" was released on Oct. 26, 2001, into an unstable world still shocked by the catastrophic Sept.…