Promo of the next week episode on Scorpion 2x04!!! Walter, Cabe and Happy become trapped in a top-secret submarine with a limited oxygen supply and the .brScorpion 2x04 Promo Robots | CBS [HD] All Rights Reserved CBS ©. No copyright infringement intended or implied. Todos os direitos reservados.brWalter, Cabe and Happy are trapped with the crew in a top secret submarine when an explosion sends it to the bottom of the ocean with limited oxygen and a .brPromo of the next week episode on Scorpion 2x04!!! Walter, Cabe and Happy become trapped in a top-secret submarine with a limited oxygen supply and the.