Here's how to watch ABC’s “The Mystery of Richard Simmons” on-demand if you missed it live with these free streaming options.

Here's why it 'leaves you wondering,' according to the famed journalist.

Three of the youngest Turpin siblings tell their stories of the past in "The Turpins: A New House of Horror – A Diane Sawyer Special Event" airing on Tuesday, February 3. The story of the Turpin ...

“This is the first time I've spoken about it,” says Simmons’ house manager of 35 years, Teresa Reveles Diane Sawyer is peeling back the curtain on the life and legacy of Richard Simmons, interviewing ...

A new Diane Sawyer special takes a closer look at one of America’s most beloved and enigmatic personalities. “The Mystery of Richard Simmons: A Diane Sawyer Special” airs Tuesday, May 12, from 9–10 p.

The hour-long special seeks to reveal what happened when the fitness guru suddenly vanished from the public eye, sparking years of speculation about his well-being.

‘The Mystery of Richard Simmons - A Diane Sawyer Special’ is an ABC special exploring the legendary career of Richard Simmons, with a particular focus on his abrupt departure from the public eye. The ...

A Diane Sawyer Special" traces the beloved personality's remarkable rise to fame and examines the cultural impact that made him a household name.