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Deep Look
5 of the Grossest House Pests We’ve Ever Filmed
Season 11
Episode 20
We hope your spring cleaning doesn’t uncover bed bugs, dust mites, termites, drain flies or cockroaches.
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3:35
Thanks to The Great Courses Plus for sponsoring this episode of Deep Look.

3:38
Besides being hermaphrodites — all snails have both boy and girl parts.

3:26
It's not vanity. For cats, staying clean is a matter of life and death.

3:12
Those hundreds of powerful suckers on octopus arms do more than just stick.

3:35
Is this fish smarter than it looks?

3:29
Whatever you call them, there’s something less creepy about these critters than others.

3:45
What if you had to grow 20 pounds of bone on your forehead each year just to find a mate?

3:46
The killer punch of the mantis shrimp is the fastest strike in the animal kingdom.

2:53
The Peruvian Amazon is a dangerous place when you're small.

3:13
Termites cause billions of dollars in damage annually – but they need help to do it.

3:47
Male jumping spiders perform courtship dances that would make Bob Fosse proud.

3:02
From the open sea, tiny sea urchin larvae search the vast ocean to find a home.