• Lauren German, Tom Ellis

Lauren German, Tom Ellis (Photo : Getty Images/Frederick M. Brown)

The new arc when "Lucifer" returns with brand new episodes will see Tim DeKay as the professor. DeKay will be seen in "Lucifer" Season 2, episode 12. Also, in this episode, Lucifer and Chloe will address their relationship after the "long-awaited kiss."

Warning: This article contains spoilers. Read to know more.

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"Lucifer" Season 2, Episode 12 Spoilers

According to the spoilers, Chloe and Lucifer investigate a masked killer who is poisoning college kids. Meanwhile, they try to figure out their new relationship after the kiss.

"Lucifer and Chloe investigate a mysterious masked killer who is poisoning college students. They also try to make sense of their new relationship, after a long-awaited kiss. Meanwhile, Charlotte visits Linda for advice on a touchy subject in the all-new "Love Handles" episode of LUCIFER airing Monday, Jan. 23," reads the synopsis.

In this episode, actor Tim DeKay from "White Collar" will be seen as Dr. Jacob Carlisle.

Co-showrunner Ildy Modrovich spoke with TVLine about the "one Big Bad guy."

"We always try to explore duality and the gray area - you don't have just 'bad guys' and 'good guys.' And that's kind of him, basically," Modrovich said.

"He starts doing terrible things, but his intentions aren't bad. He was faced with making a horrible moral call, in the middle of distress, and now he's kind of backpedaling from that. But in doing that, he does bad things."

Stay tuned for more "Lucifer" Season 2 spoilers, news and updates.

"Lucifer" Season 2, episode 12 airs Monday, Jan. 23 on FOX.