down Deathstroke. She reappears in season three, following Sara's murder, Nyssa trains Laurel Lance. In the season finale of season 3, Nyssa works with Oliver and his allies to defeat and kill Ra's. She then reappears in season four to oppose Laurel's reckless scheme to resurrect Sara using the Lazarus Pit. She declines the leadership of the League and instead disbands it. In season five, Oliver recruits Nyssa to join his team to oppose Adrian Chase and his team, which includes Nyssa's sister Talia. In season six, Nyssa battles the Thanatos Guild. Nyssa is later seen in a flashforward in season seven, training Mia Smoak, Oliver and Felicity's secret daughter, throughout her childhood. In the series finale episode "Fadeout" Nyssa has reconciles with Talia at Oliver's funeral. Law reprises her role in the spin-off series Legends of Tomorrow. The episode "Left Behind" reveals that Nyssa's first meeting with Sara is the result of a Bootstrap paradox. She makes an appearance in "River in Time", where Sara says goodbye to her before she leaves on the Waverider. Nyssa al-Ghul appears in one of the tie-in comic books of the Crisis on Infinite Earths crossover event, along with Felicity Smoak, The Ray, and Wally West. Nyssa al Ghul appears in the fifth season of the FOX television series Gotham, as portrayed by Jaime Murray. She acts as one of the season's main antagonists alongside Bane. She is originally introduced as the "Secretary of Homeland Security" named Theresa Walker. Throughout the season she works via multiple proxies and henchmen such as Bane, Riddler, Leslie Thompkins, and Hugo Strange. After Jim Gordon and Bruce Wayne realize someone is manipulating these events, they are able to convince Riddler to turn over evidence on his boss. As a result, "Theresa Walker" is ousted from the government and forced to go on the run. After arriving in Gotham, she reveals to Bruce that she is in fact Nyssa al Ghul, daughter of the recently-deceased Ra's al Ghul, seeking vengeance for her father's death. Nyssa is ultimately defeated in combat with the combined efforts of Gordon and Barbara Kean. She is able to escape arrest and steal Oswald Cobblepot's submarine, forcing Bruce to leave the city in pursuit of her. Film Nyssa is seen in Batman vs. Teenage Mutant Ninja Turtles in an online file when the Ninja Turtles were seeking information of Ra's al Ghul and his