Don't Mess With the Maiasaura Kodai Oja Kyoryu Kingu : Season 1 Episode 6

Max and Rex try to catch a Maiasaura when it is discovered in the Swiss Alps in Switzerland, but the dinosaur is very protective of its egg. This reminds the boys of how they ran away from Zoe, who makes sure everything in Max's house is orderly while his mother is out of town.