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

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!

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!