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（重新導向自2680）
| 2680年的時間線 |
In 2680, the Cell believed it had discovered Sakkrat for Sheldukher when it found Hogsumm. A Fortean Flicker on the planet brought a Chelonian patrol from 5665, some teenagers from 2112 and some commuters from 1993 during this year. The Seventh Doctor, investigating the Flicker, arrived on Hogsumm at the same time. (PROSE: The Highest Science, AUDIO: The Highest Science)