In the season finale, Bull and the Trial Analysis Corp. team travel to Miami with J.P. Nunnelly to work on a controversial drug trafficking case in which both the clients’ and the jurors’ lives are in danger.
Bull works with a top criminal defense attorney on the first of three cases to repay her for defending Benny at trial. Later: they clash over their client, a computer cloud company that is battling the F.B.I. to retain privacy over their customer’s flies that could help identify the source of a recent eco-terrorist attack
Bull makes a deal with top criminal attorney to defend Benny when he goes to trial for misconduct in a case related to his former career with the District Attorney’s office.
Bull aims to prove temporary insanity at a murder trial for his client, Troy Dickerson, a young man he believes was brainwashed by a cult-like spiritual learning center to kill his father. Also, Danny and Chunk go undercover at the learning center to find the perpetrator responsible for their client’s reprogramming.
Bull helps a high-powered attorney on trial for his fiancée’s murder and takes advantage of his client’s penchant for courtroom theatrics by letting him defend himself.
Bull and Chunk’s bond is tested when Bull helps the prime suspect in the murder of Chunk’s fashion mentor, a model-turned-designer who was killed during her own runway show.
Bull helps thousands of people bring a class action suit against a bank, but he stands to lose his business if he doesn’t win at trial. Later: the case is threatened after Benny becomes attracted to a client and is inflicted with anxiety over a secret he’s keeping from Bull.
A state governor is killed along with the owner of a skydiving company during a jump and Bull is enlisted to find out who sabotaged the jump. Later: Bull and his trial collaborator find themselves on opposing sides of the case.
Bull opposes Diana again in a manslaughter case, whose client tries to antagonize him through her.
Trust issues surface between Bull and Benny during a case involving an army analyst when Benny doesn’t share redacted government secrets. Also: Marissa makes the office work without the use of technology to avoid being hacked during the case.