South Park Episode 305 - "Jackovasaurus"

The boys discover a live prehistoric Jakovasaur while camping on Stark's Pond.

The government and the citizens of South Park are interested in trying to help keep this endangered species alive, until they all realize how annoying the Jakovasaurs really are. The only one who really enjoys them is Cartman. The boys try distracting him while the town tries to send the Jakovasaurs to France.