This is NOT a feature film, but rather episodes of the TV series which all feature Coverton (Jeff Bennett) the same boring alien. The cloning aspect is in one episode about midway through the features. The characters are drawn pretty much the same, but have difference voices than the successful films. I really miss Reese Witherspoon and Steven Colbert. The writing is humorous, but not knee-jerk funny for adults. Unlike the films, these episodes are geared strictly to the kids in such a fashion adults will find them boring.
For instance in one scene, the monsters are kicked out and they call themselves, "Monsters without a cause." Younger kids won't make the connection and adults who do will won't find it funny.
At 3 hours long, the DVD is well worth the price to keep the younger kids occupied and entertained.