With Matt and Amy away on a little people cruise off Mexico, pumpkin season at Roloff Farms in is chaos. Matt's substitute manager Becky clashes with Grandma Peg, and long lines, confusion, and foul weather push the whole operation to its limits.

As Halloween approaches, Matt, Jacob, and Mike D. work to build a safer, stronger trebuchet. Ironically, both Mike D. and Jacob are injured on the one-year anniversary of the original trebuchet accident that sent them both to the hospital.