When Papa Smurf tries to make a new fertilizer for the crops, it
transforms an ordinary flower into a dangerous "smurfivore plant." When
two Smurfs try to get rid of the fertilizer by dumping it outside the
Smurf village, a bird swallows it and becomes a huge monster***--The
Howlibird! Now, the Smurfs must figure out how to defeat the monster and
save their village.*