carbon dioxide with a low % of Oxygen, then they filmed a few seconds and then piped in Oxygen. That's the "official" answer I found after much research. I truly believe it looks like they were suffering and dying!!
Boots is a monkey .
Red Panda, Monkey,maybe viper
Monkey Pills are an item seen on Sam & Cat. They are sleeping pills for a monkey.
capuchan monkey
The duration of The Monkey Hustle is 1.5 hours.
Monkey and mongoose are wild animals. Additional wild animals include mouse and monkey.
monkey
Bear and monkey
There is a large variety of animals found in Liberia. This includes the Mona monkey, Liberian mongoose, and the Diana monkey.
Monkey, because monkey has an ability like human.
humans, rabits, wild pigs and hedge hogs because all these animals are to smart for the sider monkey.
monkey
monkey and dogs
jack knight
Monkey, mallard.
monkey
monkey!