1. Deserts & Oceans

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. 18 July 2021. 41 min

In Australia, meet the world's most venomous snake. Plus, in nearby oceans, discover the deadly nature of the marine creatures that share these tropical waters.

2. Forest & Grasslands

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. 18 July 2021. 41 min

In the South American rainforest, there's a tiny frog that's packed with poison. While near Sydney, Australia, you'll meet the world's most venomous spider.