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"Box Turtled In!" "Archerfish School"

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 Varmitech can use them for a youth potion.




Note: Featured animals are in bold.


Note: Mentioned animals are linked to Wikipedia.

Live Action

Note: Live action animals are linked to Wikipedia.


  • Martin has imaginary friends.
  • Zach is dramatic.
  • This is the second episode where an animal Martin named died.

Key Facts and Creature Moments

  • Fruit flies hatch out of an egg after 24 hours. They are then 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 tortoises are the biggest land tortoise and one of the oldest in the world.
  • Seeing the immortal jellyfish life cycle.


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