Bull star Michael Weatherly RTS17JPA
Actor Michael Weatherly from the TV series " Bull " attends the 57th Monte-Carlo Television Festival in Monaco, June 18, 2017. Reuters/Eric Gaillard

"Bull," starring Michael Weatherly (Dr Jason Bull), Christopher Jackson (Chunk Palmer) and Freddy Rodriguez (Benny Colón), will have a new episode titled "Witness for the Prosecution," which airs in the US on Feb. 27. It will show the DA hiring Dr Bull to help convict a drug dealer who murdered a police officer.

Spoiler Alert: This update contains more 'Bull' spoilers 2018. Read on only if you want to know more about 'Witness for the Prosecution.'

A CBS press release states that "Bull" season 2, episode 15 will show the DA recruiting Bull to help them convict infamous drug dealer Hazel Diaz (Roma Maffia). She killed a police officer but was able to avoid jail time after using an insanity defence by pretending to be schizophrenic. Alex Pillai directed this episode, which was written by Marissa Matteo.

'Witness for the Prosecution' stars

The guest stars that will appear in "Witness for the Prosecution" are Brian Berrebbi (Doorman), Wesley T. Jones (Officer Mark Chambers), Afton Williamson (ADA Gabrielle Ramsden), Kevin Bryant Rose (Court Officer), Patrick Noonan (Officer Sampson), Megan Skiora (Ruth Sampson), Alesandra Nahodil (Job Recruiter), Estelle Lee (Jury Foreman), Amy Hohn (Judge Sally Volk) and Tony Plana (Sean Perkins). According to the Internet Movie Database (IMDb), Brooke Carrell (Diner Patron), Frank Fernandez (Courtroom Pedestrian), Doris McCarthy (Diner Patron) and CJ Parson (Dealer) will join them in this episode. The other members of the "Bull" cast, including Geneva Carr (Marissa Morgan), Annabelle Attanasio (Cable McCrory) and Jamie Lee Kirchner (Danny James), will also be seen alongside the guests.

'Bull' episodes: 'Keep Your Friends Close'

"Keep Your Friends Close" was the episode that aired before "Witness for the Prosecution." It was broadcast on Tuesday on CBS. It showed Bull working with the Federal Bureau of Investigation (FBI). They cooperated to find the hacker they believe was the one responsible for breaching air traffic control at LaGuardia Airport.

Meanwhile, Cable found out that the accused is the husband of her friend. In order to help him prove his innocence, she risked breaking the law. She also made a huge, life-changing decision and even defied Bull. Travis Donnelly wrote this episode, which was directed by Ed Ornelas.

The "Bull" TV series airs in Australia on TEN at 7:30 pm AEDT every Sunday. It airs in the US every Tuesday at 9-10 pm ET/PT on CBS. Stay tuned for "Bull" spoilers in the coming weeks.