Roswell, New Mexico | 4x13

Dallas also decided to join Max on the journey to Oasis to learn more about his heritage, sharing a final romantic moment with Maria DeLuca before departing. Where They Left Off

While Clyde was distracted, Liz secretly injected him with a serum. When he tried to enter the portal, the serum reacted with the gateway's energy, ending his threat once and for all. A Long-Awaited Wedding (Malex is Endgame!) Roswell, New Mexico 4x13

In a heart-wrenching final scene at the portal, Max accepted Liz's proposal ("Hell yes!") and gave her a turquoise necklace to remember him by. They left as an engaged couple, though lightyears apart, promising to marry when he returns. Dallas also decided to join Max on the