WATCH ‘Criminal Minds’ Season 10 Premiere Live Stream Tonight Via CBS Live Streaming Online Free, Featuring New Agent Jennifer Love Hewitt!

"Criminal Minds" season 10 premiere episode airs tonight - find out where to watch online a free live stream of "Criminal Minds" season 10 premiere episode, titled "X," via CBS live streaming. Tonight's episode 1 will feature a new agent on the BAU team, played by Jennifer Love Hewitt!

If you can't make it to a TV by 9pm EST tonight to catch "Criminal Minds" season 10 premiere, click here or here to watch "X" online via a free live stream.

If that doesn't work, CBS also offers episodes on their website to watch online the morning after an episode airs.

According to TVLine, the synopsis for "Criminal Minds" season 10, episode 1 reads: "The BAU team investigates a series of murders in Bakersfield, Calif., which have left the victims unidentifiable. Also, the team welcomes new agent Kate Callahan (The Client List's Jennifer Love Hewitt) into the BAU fold."

Speaking to TV Guide, showrunner Erica Messer talked about the upcoming season and said that the writers are "going to be moving on to new, fresh mythologies."

The entire main cast will return for the tenth season except Jeanne Tripplehorn (Alex Blake), who left the show in the ninth season finale.

Catch the "Criminal Minds" season 10 premiere tonight, October 1, at 9pm EST on CBS.