A fight breaks out when a husband comes home and finds his wife with another penguin. ➡ Subscribe: http://bit.ly/NatGeoWILDSubscribe ➡ Read how the internet reacted to this penguin cheating scandal: http://on.natgeo.com/2fPuLIe ➡ Get More Animal Fight Night: http://bit.ly/AnimalFightNight About Animal Fight Night: Animal Fight Night features same-species battles between some of the biggest and baddest fighters of the animal kingdom, and some of the most surprising, revealing the extraordinary motivations and strategies that fuel each incredible brawl.