The Mentalist entered a completely new world following the death of Red John, putting fans in a situation where they have very little idea what may be next in the life of Patrick Jane.

Luckily for viewers, new details have emerged about several upcoming episodes. Following this Sunday's showing of "The Golden Hammer," Jane (Simon Baker) and his FBI pals will be faced with new mysteries during "Black Helicopters," "Grey Water," and "White as the Driven Snow."

Although Wayne Rigsby (Owain Yeoman) and Grace Van Pelt (Amanda Righetti) have not played a large role in the post-Red John universe, the married duo will pop up once more in "The Golden Hammer" as they investigate a shocking conspiracy. However, it looks like their work may spill into "Black Helicopters," as indicated by a recent tweet from Yeoman.

"Driving into the scene to hit my mark," Yeoman captioned a picture of a car tire during filming for the season's 13th episode on Dec. 5. "Don't think it gets better than this kids! Result!"

It is also believed that Rigsby and Van Pelt will appear in "White as the Driven Snow," since TV Line announced that The Mentalist was casting 4 to 5-year-old boys to play Rigsby's son Benjamin.

Meanwhile, set photos from Karl Sonnenberg, a technical advisor for the CBS drama, and Emily Swallow (Agent Kim Fischer) reveal that "Black Helicopters" will also involve a cowboy aspect (see gallery above).

Not much is known about "Grey Water," however, other then that it will feature a guest appearance from the Vampire Diaries' Todd Williams .

The Mentalist airs Sundays at 10 p.m. ET on CBS. Click the video below to see a preview of "The Golden Hammer."

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The Mentalist, CBS, Television