Mark buys himself a Superbowl ring and leverages it to get special treatment at the Eagles game; Hank has an adventure with cutting-edge mascot technology.

Mark, trying to prove to Tammy that he can get babies to like him, writes a hit song that becomes the next Baby Shark. He enlists his family and neighbors to join his management team, putting these relationships to the test during his meteoric rise and humiliating fall. Meanwhile, David tries to capitalize in Mark's wake by resuscitating his old and out of touch climate change educational magic act.

Mark throws his hat into the ring as an Ad Man after being shown up by a group of execs.

After feeling slighted by a Navy recruiter, Mark sets out to join an elite unit of the Marines, only to be thwarted by his inability to properly make a bed. David teams up with a Veteran, hoping to ghost write the next American Sniper and can no longer distinguish fantasy from reality as his subject reveals stories from his past that are stranger than fiction.

Mark accidentally murders Hank with a crossbow while hunting a deer.