The Guys are in the final preparation stage for an unknown scheme when Dee excitedly enters to inform them that today is “Dee Day.” The guys have to do everything she wants without complaint.

As a record-breaking heat wave overtakes Philly, the Gang plans to profit from global warming by pumping up the A/C so people will congregate at Paddy's and save energy at home.

When a trendy new hair salon opens up right next door to Paddy's, Dennis and Frank go on the offensive to stop women from cutting off their hair. Meanwhile, Mac is reunited with his childhood dog Poppins..

In this spoof of Waiting for Godot, Dennis and Charlie stand guard at their laser tag base waiting to ambush their enemy, Big Mo, but Dennis has doubts about why they play laser tag and whether or not the victory is worth it.

Upon discovering that their self-made Lethal Weapon sequels have been pulled from the local library, the Gang decides to address their political incorrectness by making another film — Lethal Weapon 7.

Mac spends a day at the seminary to truly understand what it takes to become a priest. Dennis and Frank plan an elaborate trap to humiliate Charlie's pen pal. Dee prepares for a date with an Irish doctor. Charlie bonds with his pen pal.