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Animals Who Live to Be 100 Years Old” is the 19th episode of the fourth season of Wild Kratts, originally airing on PBS Kids on April 28, 2016. Overall it is the 111th episode of the series.


The gang sets out to find the oldest creatures on earth before Zach can use them for a youth potion.




Live Action


Key Facts and Creature Moments

  • Fruit flies hatch out of an egg after 24 hours. They are then a larvae for four days, then a pupae for another four, then a fly for about six weeks. So a fruit fly lives for about 51 days.
  • Parrots, like the scarlet macaw, can live to over 80 years.
  • Giant tortoises can weigh over 600 pounds.
  • Galapagos tortoise are the biggest land tortoise and one of the oldest in the world.
  • Seeing the immortal jellyfish life cycle.


  • Martin has imaginary friends
  • Zach is dramatic
  • Chris is partially right about bowhead whales being endangered: although bowhead whale populations were reduced in the past due to hunting and some of them are still endangered or critically endangered in some areas today like the Sea of Okhotsk, Baffin Bay, Davis Strait, and Svalbard; other populations in areas like Hudson Bay, Foxe Basin, and the Bering, Chukchi, and Beaufort Seas are vulnerable or lower risk and the species altogether is currently listed as least concern.

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