Nitrous oxide was laughing gas.
Appearances[]
The First Doctor was once affected by earthworms, which excreted nitrous oxide. Aldridge remembered this as a time when the Doctor showed his sense of humour. (A Big Hand for the Doctor)
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Nitrous oxide was laughing gas.
The First Doctor was once affected by earthworms, which excreted nitrous oxide. Aldridge remembered this as a time when the Doctor showed his sense of humour. (A Big Hand for the Doctor)