The Mentalist's Patrick Jane (Simon Baker) will be working to unravel the case of several murdered DEA agents when the series returns with "White Lines," according to a new preview.

Now coupled with the FBI, Jane and Teresa Lisbon (Robin Tunney) have shed their California roots for the wider scope of national crime. A little interagency cooperation will be in order when Agent Abbott's (Rockmond Dunbar) team tries to find the killer responsible for the deaths of DEA agents.

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However, Jane will have more on his mind than just drugs and murder. The faux psychic will be heading out on a date with a lady named Krystal Markham (Brianna Brown), according to TV Line. Jisbon fans shouldn't worry however; it looks like this little outing is merely one of the investigator's unconventional ploys to gain more information on his suspects.

Although Jane may currently be asking Lisbon for help picking out an outfit for his upcoming date, series creator Bruno Heller claims the relationship - platonic and possibly romantic - between the duo will be further explored before season 6 comes to a close.

"That's an arc that we're going to be watching develop through the back end of this season. Now that Red John is gone, both Jane and Lisbon are sort of psychically free to wake up and look around and what they see when they wake up from that nightmare is each other," Heller told Entertainment Weekly . "And how that relationship develops and how they sort of start working out who they are to each other is a big part of how the rest of this season unfolds."

However, it looks like Lisbon will also be getting a boyfriend sometime soon.

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Click the video below to get a first glimpse at Jan. 5's "White Lines."

The Mentalist airs Sundays at 10 p.m. ET on CBS.