<Tr> <Th> 68 </Th> <Td> 22 </Td> <Td> "Strife on Mars" </Td> <Td> Jeff Hunt </Td> <Td> Kevin J. Hynes </Td> <Td> April 17, 2017 (2017 - 04 - 17) </Td> <Td> 6.59 </Td> </Tr> <Tr> <Td_colspan="7"> Scorpion is hired by Kapper Aerospace Industries in Solvang to fix the thorium power grid in their Mars simulation biodome . When a critical system fails, they must extract a pair of scientists who have been living inside for 11 months . Also, Walter and Paige plan out their own versions of Toby and Happy's Jack and Jill Bachelor / Bachelorette Party: Walter with a trip to the science center, a planetarium, and the natural history museum, Paige with a party bus and look - a-like piñatas . Meanwhile, the couple prepares to move in with each other, quickly learning that they have different styles and ways of living . An oxygen - ozone mix in the dome triggers Walter's memory of the earlier rocket mission and he discovers what really happened in space with Paige . Later, realizing Paige played him, Walter fires Paige at Scorpion but does so only after landing a position for her with Richard Elia; Paige however tells him to "go to hell" and leaves with Ralph . </Td> </Tr> <Tr> <Th> 69 </Th> <Td> 23 </Td> <Td> "Something Burrowed, Something Blew" </Td> <Td> Christine Moore </Td> <Td> Aadrita Mukerji & Nick Santora </Td> <Td> May 1, 2017 (2017 - 05 - 01) </Td> <Td> 7.11 </Td> </Tr> <Tr> <Td_colspan="7"> On the day of Happy and Toby's wedding, Scorpion gets a case in Wyoming when lightning strikes set fire to an underground coal mine . They must extinguish the fire before it destroys a telecom cable, but they need to be back in San Jose, California in time for the ceremony . When complications arise and they don't make it, Paige plans an impromptu wedding at Kovalsky's Diner, their favorite greasy spoon, and gets Ray, who's an ordained minister, to give the vows . Walter expresses his feelings for Paige, stating the reason he fired her is because he's in love with her . To his surprise, she feels the same way and they share a not - so - intimate moment . Later, Cabe gets a call; the French Polynesian governor needs help setting up their underwater wave - powered generators and they're willing to fly the team out to Tahiti . Looks like the newlyweds get a free honeymoon . However, on the private flight, they hit some turbulence and, with Happy as the co-pilot, the plane starts to go down . </Td> </Tr>

When is scorpion season 4 episode 23 coming out