The next all-new episode of "Bones" will be really interesting as Daisy goes into labor while the Jeffersonian Team tracks down a killer in the world of crossword puzzles.

In the upcoming episode, which is called "The Puzzler in the Pit," the team will investigate the murder of a renowned crossword puzzle genius. Plus, Daisy will give birth to the late Dr. Lance Sweets' son.

Sweets, who was played by John Francis Daley, was unexpectedly killed in the premiere of season 10. However, his spirit will live on when his girlfriend, Daisy, delivers a baby boy named Lance.

According to Zap2It, the newest member of the Jeffersonian gang will arrive with the help of Daisy's doula, Valentina.

KSiteTV.com posted the synopsis for the episode, which states: "After a famous crossword puzzle master is found in an urban fracking site, the Jeffersonian team investigates puzzle champ's fellow players in order to track down the killer. After discovering that the victim was suffering from a mental illness when he died, the team realizes the case is much more complicated than it seemed. Meanwhile, a very pregnant Daisy (guest star Carla Gallo) seeks comfort from her doula, Valentina (guest star Mindy Cohn), and the newest member of the Jeffersonian family arrives in the all-new "The Puzzler in the Pit" episode."

"The Facts of Life" star Mindy Cohn will guest star as Valentina and "Neighbors" actress Carla Gallo will make a guest appearance as Daisy Wick.

TVLine also revealed that several stars will reprise their roles on "Bones" during the upcoming 200th episode, including Ryan O'Neal as Brennan's father Max, Billy F. Gibbons playing Angela's dad Billy, Laura Spencer as squintern Jessica and Ignacio Serricchio as squintern Rodolfo.

Season 10 of "Bones" airs Thursdays at 8 p.m. ET on Fox. "The Puzzler in the Pit" airs Nov. 20.

Watch a promo video below.