Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1)
Welcome Back, Kotter
Arnold’s relationship with Mary gets serious. Then he finds out he has to move and leave the school. Upset, Arnold decides to propose marriage to Mary. She accepts.
Select season
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x1
Sep. 09, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x2
Sep. 16, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x3
Sep. 09, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x4
Sep. 30, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x5
Oct. 07, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x6
Oct. 14, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x7
Oct. 21, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x8
Oct. 28, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x9
Nov. 04, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x10
Nov. 18, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x11
Nov. 25, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x12
Dec. 02, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x13
Dec. 16, 1975
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x14
Jan. 06, 1976
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x15
Jan. 13, 1976
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x16
Jan. 20, 1976
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x17
Jan. 22, 1976
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x18
Jan. 29, 1976
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x19
Feb. 05, 1976
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x20
Feb. 12, 1976
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x21
Feb. 19, 1976
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Welcome Back, Kotter 4×20 – Oo, Oo, I Do (1) 1x22
Feb. 26, 1976
