Adam and Jennifer plan a secret wedding; however, a series of unfortunate events puts their plan in jeopardy. Meanwhile, to keep Russell and Timmy from finding out about the ceremony, Adam tells them he is staging an intervention for Jeff.
When Mike realizes Vanessa has given away his remaining and beloved incandescent light bulbs, he and Chuck go on a mission to track down some of the old-school bulbs. Meanwhile, Mandy announces she's moving out of the house into her own apartment.
Claire has gone over the top with Halloween in the past, and the neighbours definitely don't share her enthusiasm. This year, she's being forced to tone it down and keep it 'kid-friendly.' Phil has an idea to hold an open house on Halloween night.
Adam inadvertently gets Barry kicked out of the cool group of friends at school and must come up with a plan to get his brother back in. Adam convinces Barry and his friends he has the skills to hack into the school computer system to change their grades.
Murray attempts to help Adam transition into adulthood by building a robot, but their creative differences drive them apart. Meanwhile, Barry accidentally tapes over Beverly's beloved video of his fifth birthday party.
Stella was sentenced to 90 years in prison for poisoning her husband Bruce and Sue Snow, a Seattle bank manager, with cyanide-laced Excedrin. Years after the conviction, two investigators contend that authorities had little evidence to prove her guilt.
Melanie and Derwin experience trouble in paradise when a jealous Melanie tries to come between Derwin and his son. Meanwhile, Jason fills in as a guest correspondent on a sports show and Kelly stars in her own reality show.
Peter befriends a group of mean girls after his feelings are hurt when his so-called friends decide to 'roast' him. Lois, all too familiar with the gossipy nature of women, tells Peter they are probably talking about him behind his back.