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Nova

Extreme Animal Weapons

Season 44, Episode 19 of 21

Explore the secrets that underlie nature's battleground. Every animal has some kind of weapon, whether claws or horns, fangs or stings. But why are some armaments huge and extreme, far beyond any practical need?

More From this Series

Previously Aired

Day
Time
Channel
11/22/2017
9 p.m.
PBS 6
11/23/2017
3 a.m.
PBS 6
11/26/2017
8 a.m.
PBS 6
11/26/2017
8 p.m.
PBS 6 Plus
11/27/2017
1 a.m.
PBS 6 Plus
9/8/2021
9 p.m.
PBS 6
9/9/2021
2 a.m.
PBS 6
9/10/2021
2 p.m.
PBS 6
9/12/2021
7 a.m.
PBS 6
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