Christian comments to the Colombian drug kingpin that if he had whiter teeth, he would have been from Argentina, which how says is the only Latin American country with fluoridated water. While it is true that Argentina has the only naturally occurring fluoride, there are many other countries in Latin America that add fluoride to their to the water, such as Brazil and, ironically, Colombia.
At around 47:30 in the pilot, there are strings visible to mimic the actions of the gerbil rushing around inside the cereal box.