In the last episode of "Lucifer" Season 1, it reveals that Lucifer's mom has escaped hell. Apparently, Lucifer is worried and afraid after learning that his mom escaped.

Tricia Helfer has been cast for the role of Lucifer's mom. Helfer was only four years older than Tom Ellis, the actor who plays the role of Lucifer, according to TV Guide.

Helfer's role seems like the new "Stacey's Mom." Ellis told the publication that he finds Lucifer's is living in Stifler-like world, a character from "American Pie," whose mom is hot.

If you can't remember Stifler's mom, check this video.

There are more revelations to come in "Lucifer" Season 2. Some reports suggest that Season 2 will venture Chloe Decker's (Lauren German} dark past.

"10 Items or Less" star Chris Payne Gilbert has been cast to portray the role of Officer John Decker, a beat cop on the LAPD.

[SPOILER AHEAD]

John Decker, who's a good man and father, was killed during his duty, according to Entertainment Weekly. This is the reason why Chole pursued to become a detective as she wants to find justice for her father.

Before Chole became a detective, she was a starlet when she was 19-years-old.

Gilbert is the real-life husband of "Lucifer" star, Lesley-Ann Brandt, who portrays the role of Mazikeen. His role as John Decker will appear in the seventh episode of Season 2, according to EW.

It seems Lucifer's mom is really dangerous. In a recent "Lucifer" Season 2 trailer, Lucifer is praying, and apparently, he is so worried and afraid.

If you were not able to watch the last episode of Lucifer, this could be a major spoiler for you. In the last episode, it revealed that someone has escaped from hell.

Amenadiel (D.B. Woodside), Lucifer's brother, was surprised when he saw Lucifer was worried about the news he received. He asked Lucifer who escaped from hell, then Lucifer answered, "Mom."

"Lucifer" Season 2 will be premiered on Monday, Sept. 19 at 9 p.m. ET on Fox.