• Actress Emily Deschanel arrives at the FOX after party after the 70th annual Golden Globe Awards

Actress Emily Deschanel arrives at the FOX after party after the 70th annual Golden Globe Awards (Photo : REUTERS/Jonathan Alcorn)

"Bones" Season 10, Episode 22 airs this Thursday on FOX. This season's final episode brings back Daisy Wick (Carla Gallo), whose presence would always remind viewers of Lance Sweets (John Francis Daley). Goodbyes are expected, but fans are hoping the entire tenth season would not be sandwiched by deaths.

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Spoiler alert: This update contains "Bones" Season 10 spoilers. Read on at your own risk if you have not watched the promo video and checked out the new episode synopsis.

Sweets dies in the premiere episode of "Bones" Season 10. With the return of a familiar villain in the finale episode, fans are worried there might be another death-related goodbye.

The FOX promo clip shows Christopher Pelant (Andrew Leeds) taunting the Jeffersonian team in a video. Pelant says he is bigger than a simple death. This rattles the team, including Jack Hodgins (T.J. Thyne) and Angela (Michaela Conlin).

After seeing the penultimate episode in which Hodgins and Angela announce to Cam (Tamara Taylor) that they are leaving the United States and moving to Paris, many viewers are already prepared to say goodbye. It is after all, better that they leave alive. 

Meanwhile, spoilers and speculations are indicating that Pelant was working with a protégé before Booth (David Boreanaz) shot him dead right before Brennan's (Emily Deschanel) eyes. If Pelant's apprentice is part of the Jeffersonian team, it would be Zack Addy all over again. For many of the avid viewers, however, the most important thing is to end the Pelant arc now, once and for all.

According to cast spoilers in the FOX release, the following are also appearing as guest stars in the "Bones" Season 10 finale: Patricia Belcher as AUSA Caroline Julian, Eugene Byrd as Dr. Clark Edison, Michael Grant Terry as Wendell Bray and Pej Vahdat as Arastoo Vaziri.

It used to be unusual for "Bones" to have more than one squintern. However, spoilers are saying Brennan will be in the lookout for her replacement in case she, like her best friend Angela, leaves the Jeffersonian, too.

Could Brennan be hoping for Daisy Wick to become the next Brennan? Answers are expected from "Bones" Season 10, Episode 22.

‘Bones’ Season 10 Finale - New Episode Promo Video