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| Title | : | Mastermind |
|---|---|---|
| Genre | : | Talk |
| Overview | : | In the last semi-final, the specialist subjects are: the British submarine; the history of the Derby; English heraldry; and the history of the First World War. With Magnus Magnusson. |
| How to watch? | : | Select a server above. If one doesn't work, try another. The video should load quickly! |
