there was a zoo on the island that the Dharma lot obviously used for testingit escaped from there
(
HappyToast Groat froth,
Tue 25 May 2010, 10:16,
archived)
It's clearer than thatthere were cages - that Sawyer and Kate were kept in - that dispensed fish-flavoured biscuits. These were where the polar bears escaped from not that that explains why they were kept there or anything...
(
Wasp Box like a nervous random stranger at a glory hole,
Tue 25 May 2010, 10:20,
archived)
Or how the polar bear skull with the dharma badge got to tunisiaARGHHHH
(
Victor Meldrew,
Tue 25 May 2010, 10:34,
archived)