Although Tony can never change what he genetically passed on to A.J., he can prevent
In Season 6, Episode 18, "Kennedy and Heidi," Tony killed Christopher after Christopher crashed a car with Tony in the passenger seat. Tony decided it was finally time to rid himself of his "weak, lying drug addict" of a nephew and suffocated him.
After seeing that Caitlyn's baby seat has been completely destroyed in the accident, Tony suffocates the injured Chris and is finally rid of his troublesome nephew.
Why did Tony kill Christopher on 'The Sopranos'? The shocking moment in 2007 when Tony killed Christopher wasn't an impulse decision, but the product of years of resentment seemingly building within Tony towards his nephew.
Tony pinches Chris' nose shut, causing him to choke to death on his own blood. Death Is a Sad Thing: Almost everybody is overcome with grief at Chris' death, but especially Kelli, his mother, and Carmela.
It is revealed in Sid's "Lost Weeks" video that Tony has been left in a coma following the accident. This is followed by Tony's video, in which he awakes from his coma while listening to a tape of the gang telling rude and shocking stories to try to shock him into consciousness.
In The Sopranos season 4, episode 1, "For All Debts Public And Private,” Tony told Christopher that his father Dickie was killed by Barry Haydu, a New Jersey detective. According to Tony, Barry was taking orders from a criminal named Jilly Ruffalo, who had his eye gouged out by Dickie.
But what looked like it would become a deadly power struggle between Richie and Tony had a shocking ending. After Richie and Janice got engaged, they got in an argument as Janice defended Richie's gay son Little Ricky. Richie nonchalantly punched her in the head and then started eating dinner.
Adriana La Cerva: shot and killed by Silvio Dante for being an informant to the FBI.
Adriana and Tony never technically hook up, which is the only reason she doesn't rank higher among Tony's romantic interests. However, unlike some other women who reject Tony's advances (such as Dr. Melfi), Adriana and Tony absolutely would have become entangled with one another except they were interrupted — twice.
Tony was tired. He was tired of Chris blaming him for all of his problems. He was tired of dealing with Chris' drug use, which made him a liability. He was tired of trying to help Chris when it was clear that he didn't want it from him.
They planned a hit on Chris in order to get recognized by DiMeo capo Richie Aprile, who they knew disliked Chris for striking his niece, Adriana La Cerva, however, it is revealed that Richie wouldn't have approved had he known. Matt and Sean pulled a drive-by hit as Chris left the Skyways Diner in Kearny.
Tony refuses to put his uncle in a nursing home, feeling obligated to care for Junior himself with the aid of his sisters and Bobby. In the season six debut episode, Tony arrives at Junior's house one evening. Junior, believing his nephew to be Malanga, shoots Tony in the abdomen.
While apparently intransigent, Tony develops a secret obsession with Dr. Melfi, and this adds a layer of perfection to James Gandolfini's character. When Tony starts fantasizing about Dr. Melfi repeatedly, he decides to pursue her as a love interest and goes as far as telling her he loves her.
Dickie Moltisanti was a soldier in Johnny Soprano's crew and was very close to Tony Soprano. Tony reminisces that Dickie was like a big brother to him and so, when Dickie died while Chris was still young, Tony looked out for Christopher, affectionately referring to him as his nephew.
Howard Stark
Tony wanted to please his dad and make him proud, but Howard continuously pushed Tony away, so he never felt like he was good enough for him. Tony believed his father hated him so much, that in he tells Nick Fury his father's happiest days was when Tony was shipped off to boarding school.
Unlike many of his associates, Paulie Walnuts survived all six seasons of “The Sopranos.” The character made Mr. Sirico a popular figure around the world, and especially in his Brooklyn neighborhood. He even found friends among his onetime enemies on the police force.
In the season 6 episode "The Ride", Carmela Soprano runs in to Adriana's mother, Liz La Cerva, who tells Carmela that she believes Christopher killed Adriana and that the FBI questioned her about Adriana's disappearance.
The episode contains one of the series' most shocking deaths when Silvio Dante (Steven Van Zandt) kills Adriana La Cerva (Drea de Matteo) for being an informant to the FBI.
In the HBO series The Sopranos, Carmela was often shown as sympathetic and moral, but she was just as capable of evil and wrongdoing as Tony. The Sopranos was populated with nefarious and underhanded individuals doing deplorable things to other people for the sake of selfishness, greed, and lust.
After an incident of domestic violence in which Richie punches her in the face, Janice shoots and kills Richie and calls on her brother to dispose of the body. She then moves back to Seattle and becomes briefly engaged to a 19-year-old.
By The Sopranos season 6, Silvio remains loyal to his crew, but he's gunned down by Lupertazzi hitmen in "The Blue Comet." Tony learns that his right-hand man isn't expected to regain consciousness and then holds his hand during a hospital visit in The Sopranos series finale, "Made in America."
But who ordered the hit on Tony? The answer: Paulie. Paulie makes it clear at the end of s1e13 he has a problem with Tony seeing a woman psychiatrist specifically.
While drunk, Patsy points a gun at Tony through a window and considers whacking him as revenge after Tony sanctioned the murder of Patsy's twin brother. Patsy chooses not to do it and urinates in Tony's pool instead.
Tony Soprano killed Christopher Moltisanti in The Sopranos season 6, episode 6 "Kennedy and Heidi," ending a story arc several years in the making. Tony Soprano murdering Christopher Moltisanti in The Sopranos was one of its most shocking moments.