Another notable villain aside from Jerry Tyson will make a huge comeback, new "Castle" season 7 spoilers suggest.

The hit TV show will have a nerve wracking 2-parter, and the first chapter will see the return of Dr. Kelly Nieman.

"Evidence in a young woman's murder implicates Dr. Kelly Nieman - Castle and Beckett's nemesis," a short description of the episode "Resurrection" read.

Previous reports have already revealed Jerry Tyson's reapperance this season.

"A serial killer, Tyson first appeared in the Season 3 episode "3XK," and then seemingly bid this mortal coil adieu in Season 5's "Probable Cause," when the psycho plunged off a bridge after Rick shot him several times. The villain's improbable return was hinted at last season, when a pair of eventual murder victims cosmetically altered to look like Espo and Lanie stole all 3XK files from the 12th's records room," TV Line reported.

Meanwhile, Tamala Jones who plays Lanie Parish on the show, dished on the exciting 2-parter in a recent interview.

"You've never seen a Castle episode like these. It's completely outrageous," she said. "You're going to cry, you're going to think someone died.... Your mind and your heart are going to be one," she said.

Jones further added that part 1 will leave fans hanging and "pissed that Part 2 isn't coming on the next day."

"Castle" season 7 airs every Monday night on ABC.

Stay tuned for more "Castle" season 7 spoilers here!