About this programme
With capacity at an all-time high, take a look at the prisoners of the overflowing cell blocks of Casuarina maximum security prison, which houses Australia's most deadly criminals. 18+.
TVGuideUK
Programme listing
Australia's Hardest Prison is next on National Geographic at 23:00 on Sun 8 Nov 2026.
The next showing is on National Geographic.
Yes — it is on tonight at 23:00 on National Geographic, ending at 00:00.
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With capacity at an all-time high, take a look at the prisoners of the overflowing cell blocks of Casuarina maximum security prison, which houses Australia's most deadly criminals. 18+.