After David fools the twins with a bald-faced lie, they turn the tables on the ""master of practical jokes"" by convincing him that his hair is falling out. Meanwhile, Michael chokes under the pressure of retaking his driver's test.
The Hogan Family S04E02 (“Hair Today, Gone Tomorrow”) first aired on October 10, 1988.
In the US, The Hogan Family season 4 — including this episode — is available on Amazon, AppleTV, and Fandango at Home.