Bull’s team is rocked when their client, Elliott Miles, is found guilty of murder, and they must regroup as the trial enters the penalty phase in order to prevent him from being sentenced to death. But when new evidence emerges that could prove Elliott’s innocence, Bull must find a way to present it in court without being found in contempt. Also, Marissa faces hard truths about her relationship with Bull.

Business becomes personal for Bull when TAC assists with a civil suit against the bank that funded the terrorists responsible for Cable's death. Also, Marissa enlists her former homeland security co-worker and international banking cyber-investigator, Taylor Rentzel, to help with the suit.

Izzy puts the brakes on her wedding to Bull after he jeopardizes Benny’s election campaign by handling the defense in the corruption trial of the former District Attorney that Benny hopes to replace. Season finale.

When Bull handles the negligent homicide defense of a building owner accused of killing tenants by carbon monoxide poisoning, the case rocks Bull and the TAC team to their core. Also, TAC’s trial defense is made more difficult when the ADA prosecuting the case is Chunk’s ex-boyfriend, Rob Jones, someone very familiar with Bull’s tricks; and Taylor is forced to reevaluate her work-life balance when she gets shocking news about her son.

Bull's team takes on a seemingly unwinnable case; a mute man faces the death penalty if he's found guilty of murder and arson; Bull is stunned to learn that his ex-wife is remarrying.

Bull works to convince a jury that an alleged murder was actually a tragic accident when TAC represents a woman charged with her 3-year-old stepdaughter’s death.

Bull mounts the defense of an old college friend, Eric Crawford, who is charged with negligent homicide after Eric’s youngest child kills his eldest with Eric’s handgun.

Bull’s legal troubles go from professional to personal when new evidence in his bribery trial implicates his wife, Izzy. Also, the TAC team’s efforts to assist Bull in court are thwarted by his attorney, who fears they will cross a legal line to help their boss.

Bull and the team head to court one last time to finalize a negligent homicide defense that will change the nature of their company and their lives forever.

The DA hires Bull to help convict Hazel Diaz, an infamous drug dealer who murdered a police officer but has managed to avoid jail for years on an insanity defense by feigning schizophrenia.

When the team consults for the NYPD on the defense of a police officer accused of excessive force in the shooting of an unarmed man, the social politics surrounding the case create tension within their own ranks.

Bull confronts his guilt over closing his psychiatric practice to start TAC when his former patient, a young woman who is a clinical sociopath, goes on trial for killing her brother. When Bull and Benny’s client has no memory of the crime due to her mental condition, they enter a "Not Guilty by Reason of Insanity" plea and aim to seat jurors that are sympathetic to mental illness.

Bull takes on a pro bono client who was poorly advised by his public defender to plead guilty to a misdemeanor assault charge and is now facing felony manslaughter after the victim dies.

Bull mounts the defense of New York City’s chief medical examiner, Julia Martin, when she is charged with tampering with evidence tied to the years-old case that made her career. As Bull worries that his client’s propensity for brutal honesty could affect her chances in court, he aims to fill the jury with individuals inclined to believe she made a mistake rather than conspired to tamper with forensic evidence.

The TAC team works tandem cases when Chunk represents his first legal client, Darius Lambert, a young man facing federal counterfeiting charges, and Bull represents Darius’ grandfather, Willie Lambert, who may lose his business to the FBI for owning the barbershop where the fake goods were sold.

Bull helps Jim Grayson, a respectable family man who was arrested for changing his identity after being the unwitting getaway driver in a fatal robbery years ago. Bull hopes they can convince the jury that Jim has redeemed himself for his past misdeeds by living an upstanding life for years.

A friend from Bull’s past enlists his services to help convince a jury that a domestic abuse survivor who shot her husband in his sleep is not guilty of murder because she feared for her life and the life of her unborn child.

Bull returns to work following his heart attack with a new rich client for the firm to represent: an insurance company being sued by a dying mother for denying coverage of her liver transplant.

Bull finds himself serving jury duty while simultaneously mounting a defense for a woman on trial for killing her daughter's murderer.

Danny enlists her colleagues to help when her boyfriend, Gabriel, is arrested for being in the country illegally and threatened with deportation. Also, Bull represents a German national who is being sued by a museum over possession of a valuable painting.

Bull and the TAC team represent a teen boy raised in complete isolation when the young man goes on trial for murder after engaging in a deadly shootout. As the trial gets underway, Bull looks to select jurors who believe his sheltered client acted under the misguided influence of the only other person he has ever known, his survivalist father.

Bull's romantic rival, Diana Lindsay, jeopardizes her career when she secretly has Bull come to Texas to assist a couple fighting against her former client for custody of their grandchildren.

Danny enlists Bull's help for the assault trial of her former FBI mentor, a bounty hunter who kidnapped the wrong mark during his first assignment.

Benny’s previous career with the District Attorney’s office comes into focus when Chunk, working with his law professor’s legal clinic, aims to get a new trial for Eddie Mitchell, a man he believes was wrongfully convicted of triple homicide by a prosecution team that included Benny.

Bull and the TAC team take a difficult pro bono murder case before the holidays and realize it will take a Christmas miracle to win, as the presiding judge has a grudge against Bull. Also, Marissa pushes for an office Christmas party, and Taylor embarks on a new romance.