When Emma inadvertently finds herself a substitute teacher at the elementary school she asks Karen and Wanda to talk to the kids about their careers, causing tension to erupt. Lacey's attempt to make the Ruby more birthday friendly goes too far. Meanwhile, Brent and Hank panic after they suspect Oscar has eaten a thirty-year-old snack cake.

In the sensational, not-to-be-missed, top-secret final episode, Brent's mysterious disappearance every Wednesday night has the whole town talking. When it is discovered he has been pursuing a lifelong dream, the gang is forced to cope with the news. After six unforgettable seasons, how will Canada's favourite comedy series come to an end?