Not to be confused with Oracle.
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| 1974–1978 | 1978–1980 | 1981–198? | 198?–1992 |
1974–1978[]
1978–1980[]
1981–198?[]
198?–1992[]
| Free-to-air channels Channel 4 | 4seven | E4 (Extra) | More4 | Film4 Defunct channels Disbanded channels Current brands Defunct brands Related Notes  |
