Ep 6. Mac's Mom Burns Her House Down

In season 6, episode 6 of It's Always Sunny in Philadelphia, titled "Mac's Mom Burns Her House Down," the gang finds out that Mac's mom has accidentally burned down her house. Mac is devastated and blames his mother's irresponsible behavior. Charlie and Dee feel sorry for Mac and decide to help him rebuild his mother's house.

Meanwhile, Frank and Dennis use the opportunity to exploit the situation for their own gain. They convince Mac that his mom's house was not insured, and they suggest that they start a charity to raise money for the rebuild. Frank and Dennis plan to keep the money for themselves and leave Mac with nothing.

As they set up a fundraising event, Charlie and Dee realize that they have no idea how to build a house, let alone rebuild one. They turn to the internet for help and find a strange DIY expert, who they enlist to help them out.

As the day of the fundraiser approaches, Frank and Dennis try to keep their plan a secret from Mac, but Charlie and Dee's DIY skills (or lack thereof) are a dead giveaway. Chaos ensues as the fundraiser quickly turns into a disaster, with Frank and Dennis scrambling to keep their scam under wraps.

In the end, Mac's mom's new house is built, but the gang's moral compass is once again called into question. Mac is left wondering if his friends truly have his best interests at heart, while Frank and Dennis revel in their latest money-making scheme.

Overall, "Mac's Mom Burns her House Down" is another classic episode of It's Always Sunny in Philadelphia, full of dark comedy, absurdity, and questionable morals.