Nikki Castillo

Walter and Paige are surrounded by sharks when their boat explodes in the middle of the Pacific Ocean during a mission to find sunken treasure.

An accident causes the team to endure exposure to toxic vapor while trying to prevent a nuke from detonating.

'A device that can prevent a nuclear meltdown is tracked through the Los Angeles sewers; Walter learns to listen and not offer advice to Paige; the team meets their new neighbor.

On Christmas Eve, Walter becomes unconscious after falling down the stairs and enters a dream world where Team Scorpion never existed.

Power is knocked out in Los Angeles, and the team must help a teen pilot who is lost over the Pacific without any radio contact; Walter must look after a group of Ralph's classmates.

Team Scorpion must help a doctor and pilot who are trapped inside a helicopter; Toby and Happy wait for news on their fertility results; Sylvester realizes that he may have feelings for Florence.