Darkness descends upon the camp. Although it's lights out, evil has no curfew.

The mattress factory fire spirals out of control. Truck and squad lay it on the line in hopes of getting the trapped victims out alive.

Mac concocts a scheme to attract single women to rent Dennis' bedroom while Frank and Charlie make similar plans to draw in young, European coeds, but neither ad attracts their intended target.

Haley is determined to follow the advice in her parenting books with the twins, but Phil and Claire think their old methods are better. Manny is set to direct Jay’s dog bed commercial in the hopes of winning his ex-girlfriend back.

Randy battles home-grown weed and comes to terms with the fact that he might be a towel. Meanwhile, Kyle goes to camp.

Facing its potential destruction, the partners must go all in to save the firm.

Jimmy welcomes actor Robert De Niro, actress Jameela Jamil, and a musical performance by Bastille.