Welcome Back, Kotter (1975)

S1E6 No More Mister Nice Guy

When Mr. Woodman steps in to teach a day of history to the Sweathogs, he unexpectedly embraces a kinder demeanor. Meanwhile, Kotter finds himself stepping into Woodman's shoes, adopting his previous strict persona. As the day unfolds, the dynamics in the classroom shift, leading to humorous and revealing moments between the teachers and students.