A series

This is a series called "perdidos en la tribu" that in English could be "lost in the tribe" or something similar, and the series consts of another part called "perdidos en la ciudad" that in English could be "lost in the city". This series is about some Spanish families that goes to live two or more with a tribe in Africa or South America and they have to learn all the manners of the tribe, on the other hand "perdidios en la ciudad" is the second part of the series and some members of the tribe have to go to the city and learn our manners. 

One day, by chance, I saw this program and I start watching, I liked and then I saw the second part.

The Spanish families used to have fear of all things there and fear of dirty and a lot of families return home earlier, by contrast the tribes here used to be very intrigued for all and used to have fear of the highs and the cars, but when some time have happened all the members of the tribes became fat and lazy so they didn't want to return home because here they haven't had to hunt to eat and they can do nothing and go parties.