12 O'Clock High (1964-1967)

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Season 1

1964 | 32 Episodes

Season 1 of 12 O'Clock High premiered on Sep 18, 1964

Season 2

1965 | 29 Episodes

Season 2 of 12 O'Clock High premiered on Sep 13, 1965

Season 3

1966 | 17 Episodes

Season 3 of 12 O'Clock High premiered on Sep 09, 1966