Ep 24. Sue Ellen's Sister

In the Season 1 finale of Dallas, titled "Sue Ellen's Sister," the Ewing family is thrown into turmoil once again when Sue Ellen's long-lost sister, Kristin Shepard, arrives in town unexpectedly. Kristin is a troubled young woman with a history of drug addiction and a reputation for running with a wild crowd. But her arrival in Dallas is more than just a surprise visit - she's here to stay, and she's looking to start a new life for herself.

As the episode begins, Sue Ellen is shocked to see Kristin standing on her doorstep. The two sisters haven't seen each other in years, and Sue Ellen is hesitant to let Kristin back into her life. But Kristin is persistent, and she manages to talk her way into staying with Sue Ellen and J.R. at Southfork.

Meanwhile, J.R. is dealing with his own problems. He's just learned that his father has been diagnosed with a serious illness, and he's struggling to hold onto his power at Ewing Oil. To make matters worse, he's also dealing with the fallout from his affair with Sue Ellen's sister, Pam. Pam and Bobby have just gotten engaged, and J.R. is worried that Pam will spill the beans about their affair if he doesn't do something to stop her.

As the episode progresses, tensions between the characters escalate. Kristin causes trouble for Sue Ellen and J.R. by getting involved with the family business, and Bobby grows increasingly suspicious of her motives. At the same time, J.R. becomes more ruthless in his pursuit of power, leading to a showdown between him and his brother.

In the end, all of the plotlines come together in a shocking twist that sets the stage for the next season of Dallas. Despite its soapy, melodramatic tone, "Sue Ellen's Sister" is a well-crafted episode that manages to balance the show's various plotlines while still delivering plenty of twists and turns. Whether you're a die-hard fan of the original series or a newcomer to the world of Dallas, this episode is a great example of what the show does best: high-stakes drama, complex relationships, and plenty of intrigue.