Dude, we're not really expecting Joe to do more than possibly get a chuckle out of all the shenanigans going on. It's all in fun. Take a deep breath and slow your roll, man.
Meanwhile, Ms. Cartwright, the lady who took Coach Walburn's position, reveals herself as a former Delta Force operative, and trains Joe, Craig, and Alan to go rescue Jack and Kayla, not knowing Zombie Walburn already rescued them.