The Bracknell crew was first called to a bin which was on fire at Bracknell Bus Station at about midnight.
An hour later they were called back nearby to the bus station, where a cardboard sign had been set alight and then a third time 45 minutes later to a skip in Uffington Drive, Harmans Water, which had also been set fire to.
Police were also called to all three incidents, but firefighters have warned the public that arson attacks could risk other lives with their service being stretched.
Bracknell's watch manager Michael Fulwell said: "We only have one fire engine in Bracknell and when we are being held up, putting out a fire that someone thinks is a joke, we might not be able to make another fire in Bracknell with youngsters inside."
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