'The Pitt' will return next year after becoming a surprise hit. Here's what to know about season 2.

Noah Wyle stars as Dr. Robby in "The Pitt."

John Johnson / Max

• "The Pitt" is the latest word-of-mouth viral TV series.
• Max has already renewed the show for a second season.
• Here's what to know about the cast, plot, and potential release date.

"The Pitt" has become a surprise hit for Max, inspiring the streamer to renew the series to return next year.

The critically acclaimed medical drama is part of a recent wave of procedural shows from major streamers.