Rebecca returns home from her internship in Los Angeles in the Season 5 premiere. Meanwhile, Si gets sick and asks Miss Kay to take care of him.
Si takes the kids to find some treasure as Willie has to hire a new assistant to help him out.
Si records a day in his life on a GoPro after getting inspired watching footage that Jep had shot on his.
The guys pull an all-nighter to complete a big order. Meanwhile, Phil scares Mia and Priscilla with a ghost story.
Phil and Jep find a connection in a odd place as Willie and Jase go head to head in a cooking competition.
Willie and Jase organize a paintball match in order to settle an argument.
Jase spends company funds on an all-terrain vehicle as a means of motivating the workers; Kay becomes a text-messaging menace after Willie buys her a new cell phone.
Jase and the guys build a playhouse for Jep's kids; Phil and Si tease Willie.