Steve somehow manages to ruin weird body abominations, home improvement (not the show, Tim Allen did that in recent years), tetanus shots, pergola ownership, and solo meth use, all in one episode.

Steve ruins cool robots with the beginning of the (delivery) robot wars, going down right now in a suburb of Seattle. Jason believes his town ruins walking by taking away sidewalks. 

WARNING: EXPLICIT LANGUAGE! Steve and Jason's wives ruin things for once and they're more than happy to be the hero for the first time ever. The etymology for a scatalogical flinging phrase is also discussed.

Steve's wife ruins the childhood dream of getting a dog while Steve's mom ruins his life with a simple, solitary, well-intentioned statement.

Chinese families ruin Steve's dinner with heckling, while Steve a teenage date by smoothly thumbing her in the eye. Finally, Steve ruined soccer for one kid who probably loved butt slaps.

Steve's son ruins the gym for 18-year-old girls while Steve ruins his son's pants, causing irreparable, psychological damage. Jason ruined fitness for his daughter by forgetting about it completely.

Jason ruined vacationing, aligning himself with the wrong Medieval Times champion and cooking his family a nice helping of spite before getting Taco Bell for him and him alone. However, after staying in a nearby suburb for nearly a week, he won't stand for Steve's besmirching of the good name of Baltimore.

Steve ruined vacation as his nephew got his butt unplugged and is convinced the mesh they used in his hernia operation is really just chicken wire. Jason ruined his daughter's health by using the wrong thermometer. Yes, that one. Yuck.

Steve's son got beanbagged in the beanbags and Jason wants a full, Zapruder film-like investigation to determine intent, while Jason's son ruins every morning with his surgical strikes on his dad's sensitive area. Also, Steve ruined his school newspaper with his sophomoric games.

Jason ruins fireworks for those who love fireworks, but then Steve encounters a man, nay, a legend who just wants to celebrate independence with a headache-inducing fireworks display, and ruins them again.