what episode is this?

what episode is it when they go to a house and before they open the door we see a guy tied to a chair with duct tape on his mouth and then seconds later when they finally do burst the door open they see a guy who squeezes his eyes shut while cal jumps over the rail and protects gill and then a big explosion happens and then we see some people trying to take a video of it and then cal gets up and starts kicking him to get out (lol)
if you know the episode do you also know where i can get screen caps? thanks(: