Welcome Back, Kotter (1975)

S1E19 One Flu Over The Cuckoo's Nest

A flu outbreak sweeps through Buchannan High, leaving most students and staff feeling under the weather, with only Kotter, Horshack, and a handful of students from other classes remaining healthy. As the illness spreads, the few unaffected students band together with the remaining Sweathogs in the classroom, forming an unlikely alliance. Together, they navigate the challenges of their school day, finding humor and camaraderie amidst the chaos of the flu epidemic.