Things get topsy-turvy when our Lab Rats are hung upside down and have to fight off a horde of zombies. Will Michael and Gavin be able to work together and keep the undead at bay? Find out!

In this episode, we test whether or not biotic abilities like "Charge" are practical in a real life combat simulation. Will the Lab Rats succeed or will they be Charging towards their doom? Find out!

Bruce and Lawrence find out if the fortress they designed in a video game can protect them from wave after wave of enemies in real life. Thanks to Epic for sponsoring - check out the game at www.fortnite.com