"Dallas" returned to kickstart the swan song for the late Larry Hagman's J.R. Ewing. But in these first two hours, J.R. was just as devilish and spry as ever. Plus, he proved his genuine feelings for Sue Ellen after her devastating loss in the gubernatorial campaign. The doctor she'd bribed came forward, leaving Sue Ellen with no political office and facing criminal charges.

But her old beau swooped in to help as only J.R. could. He pulled a few strings, and used a little blackmail to get the charges dropped. But for all his dark misdeeds that are so fun to watch, J.R. knows who he is. Hagman's performance balanced thoughtful regret with his character's unending machinations and ambition.

This week, J.R. said to Sue Ellen, "Darlin’, I’m gonna say this only once, and I’ll deny it the minute I leave this room, but the best decision you ever made was the day you walked away from me."

Hagman passed away halfway through filming this current season. Current indications are that the show will update the classic "Who Shot J.R.?" storyline from the original series with a new "Who Killed J.R.?" mystery.

Come back for Larry Hagman's final performances as J.R. Ewing on "Dallas," Mondays at 9 p.m. EST on TNT.

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  • "Decoy" (1954)

    In his first TV appearance ever, Hagman guest starred on "Decoy," the first American police series with a female protagonist.

  • "Diagnosis: Unknown" (1960)

    Hagman appeared on the series premiere of "Diagnosis: Unkwown," which lasted only nine episodes. But it did leave a legacy: Thirty-three years after its cancellation on CBS, the network launched the successful "Diagnosis Murder," starring Dick and Barry Van Dyke, which went on for eight seasons.

  • "Sea Hunt" (1958-1959)

    Hagman popped up in three episodes of "Sea Hunt" as three different characters from 1958-1959.

  • "I Dream Of Jeannie" (1965-1970)

    Hagman's first major breakout role was as Astronaut Tony Nelson on "I Dream Of Jeannie." In the series debut, Tony opened Jeannie's bottle, becoming her master. By the end of the series, Tony and Jeannie married and in a TV special that took place 15 years after "I Dream Of Jeannie" ended, it was revealed that they had a son named T.J.

  • "Three's A Crowd" (1969)

    In this 1969 ABC made-for-TV movie, Hagman starred as a pilot whose wife Jessica (played by "Arrested Development" star Jessica Walter) disappeared and was presumed dead. When she appears seven years later, Hagman's character Jim has met and married Ann (E.J. Peaker). He doesn't tell them about one another and, of course, hilarity ensues.

  • "Here We Go Again" (1973)

    This TV comedy, which lasted one season, portrayed two couples in their post-divorce lives. Hagman played Richard, who remarried Susan (Diane Baker), and lives near both his ex-wife and her ex-husband. "Real Housewives of Beverly Hills" star <a href="http://www.ebay.ca/itm/HERE-WE-GO-AGAIN-Press-Photo-LARRY-HAGMAN-Kim-Richards-DIANE-BAKER-Nita-Talbot-/370620610414#shId">Kim Richards played Hagman's character's adorable stepdaughter Jan</a>.

  • "Dallas" (1978-1991)

    Hagman played greedy, scheming oil baron J.R. Ewing, donning the most legendary cowboy hat in TV history for a whopping 14 seasons. The series' 1980 "Who shot J.R.?" storyline has gone down as the biggest cliffhanger in TV history ... but there was more J.R. to come.

  • "Knots Landing" (1980-1982)

    The CBS series that spun off of the legendary "Dallas" followed Gary, the middle son and black sheep of the Dallas-based Ewing family. Hagman played his villainous older brother J.R. on-and-off on the short-lived series.

  • "Nip/Tuck" (2006)

    Hagman returned to TV with a four-episode stint in the fourth season of "Nip/Tuck." He played Burt Landau, a wealthy medical venture capitalist who bought the plastic surgery firm McNamara/Troy. Burt may have been even more twisted than J.R., as this sex scene with his much younger wife and Christian Troy, would indicate.

  • "Desperate Housewives" (2011)

    In the seventh season of "Desperate Housewives," Hagman popped up as Lynette's mom Stella Wingfield's curmudgeonly, but loaded fourth husband.

  • "Dallas" (2012)

    Fourteen seasons of "Dallas" wasn't enough. In 2012, the show successfully returned on TNT and Hagman was back as J.R., the ruthless former president of Ewing Oil. Though when the show made its debut, J.R. was in a nursing home, being treated for clinical depression, he returned to Southfork, hungry for power as Season 1 went on. The season ended with J.R. and his son John Ross gaining control of Southfork and joining forces against Bobby. <a href="http://www.hollywoodreporter.com/news/larry-hagman-death-dallas-prepping-393767">Season 2 of "Dallas" is currently in production and the show's writers are reportedly working on giving J.R. -- and Hagman -- a proper send-off</a>, according to The Hollywood Reporter.