The most explosive plot of Little Rose Margaery Tyrell in this show appeared in episode 8 of the second season.
According to Drama TV Network, Margaery Tyrell and King Robert Baratheon and Renly Baratheon appeared in Episode 8 of Season 2 of "Game of Thrones" Meet and try to persuade the Tyrells to support them. Robert was so fascinated by Margaery's beauty that he even planned to make Margaery his new queen. This plan was thwarted by Ned Stark, who reminded Robert of his marriage to Catelyn Stark and revealed Margaery's secret relationship with Renly.
This episode is a blast, showcasing Margaery Tyrell's resourcefulness and ambition, as well as her important role in the Game of Thrones.