When their grandfather falls into a coma, Dee and Dennis are notified that have been given legal responsibility on whether or not to pull the plug.

While they wrestle with the decision, Frank's obsession that Pop-Pop is hiding Nazi treasure sends Charlie and Mac off to track down a painting Charlie kept of his years earlier.

With the garbage men of Philadelphia on strike, Frank concocts a plan to undercut the union and get the contract to collect the city's trash. But when The Gang's elaborate plan starts to fall apart, everyone will get their hands a little dirtier than expected.

Source: FX

Dennis and the gang crash Maureen's wedding to make certain he'll be able to sever all ties, only to discover a union much scarier than kissing cousins.

Source: FX

Charlie and Dee become romantically involved with two members of a wealthy family, which arouses jealousy in Mac, Dennis and Frank.

Source: FX

The gang visit a therapist, who finds Dennis' psychology to be abnormal.

Source: FX

Mac, Charlie and Dee struggle with their faith as Charlie's mom fights cancer. Meanwhile, Frank loses his memory amidst a search for buried treasure.

Source: FX

Frank helps his old company complete a merger. Meanwhile, the gang gets caught up in a case of mistaken identity.

Source: FX

After slipping into an unhealthy obsession with computer games, The Gang wrestles to define the difference between the real and the virtual worlds.

Source: FX

The gang go out to celebrate at an upscale restaurant.

Source: FX

Frank and Dennis hold court at Paddy's Pub.

Source: FX