Walter (Elyes Gabel) and Paige (Katharine McPhee) will be separated from each other while they engage in their new mission in “Scorpion” Season 3, episode 22. CBS

“Scorpion” Season 3, episode 22 will see the members of Team Scorpion risking their lives to complete their newest mission.

In “Strife on Mars,” Walter (Elyes Gabel) and his team will find themselves trapped inside a failing and dangerous biodome designed for Mars while trying to extract a pair of scientists. In the teaser released by CBS for the upcoming episode, Happy (Jadyn Wong) starts to panic when she sees the system overheating. Walter tries to give his teammates some instructions, but they are all finding it difficult to follow them. Luckily, before the biodome explodes, Walter, Happy and Sylvester (Ari Stidham) are able to run out.

Read: Will Happy, Toby tie the knot in “Scorpion” Season 3 finale?

Meanwhile, the previous episode of “Scorpion” Season 3 opens with Happy and Toby (Eddie Kaye Thomas) enjoying their time at the spa. Paige (Katharine McPhee) previously offered to work on their wedding so that they can have some alone time away from their friends. Walter also offered to help by enrolling Happy and Toby in all sorts of classes that could prepare them for the future. But before they could continue with their wedding preparations, Team Scorpion is called by Cabe (Robert Patrick) for a new mission.

The episode ended with Team Scorpion successfully defying the orders of a foreign government. This was after they retrieved an asteroid containing DNA strands that could have deadly consequences if they would be exposed to it. Luckily, everyone was safe and headed back to their headquarters after completing their task. The finale scene from episode 21 featured Walter telling Paige that he canceled all of Toby and Happy’s wedding classes. Instead, he signed the couple up for dance lessons in preparation for their big day. Walter also made Paige listen to the song he prepared for Happy and Toby, and he and Paige danced to it.

“Scorpion” Season 3, episode 22 will air on CBS on April 17 at 9 p.m. EST.