W2TCH

Welcome Back, Kotter (1975 – 1979)

1975 • 4 seasons • Comedy, Family • TV-PG
On September 26, 2026
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Season 4

Welcome Back, Kotter · S4E20 — Oo, Oo, I Do (1)

May 25, 1979 · 30 min

Synopsis

Arnold and Mary’s connection deepened into something substantial. This burgeoning intimacy was then shadowed by the news that a relocation was necessary, a move that would mean leaving their school behind. Distressed by the prospect of separation, Arnold made the decision to propose. Mary accepted his heartfelt offer.