Welcome Back, Kotter (1975)

S1E10 The Reunion

Gabe feels uneasy when an old classmate, who always seemed flawless, along with his equally perfect wife, shows up at his doorstep. The unexpected visit stirs up mixed emotions for Gabe, as he grapples with feelings of inadequacy and nostalgia from their school days. The encounter leads to a series of humorous and revealing moments, forcing Gabe to confront his insecurities and reassess what truly defines success and happiness in his life.