Pinkie Pie's pet alligator is beginning to go through some of life's changes. His teeth begin to grow in, he starts growing larger, and his primal instincts start to kick in. Pinkie Pie is overjoyed at first, comparing the experience to a mother watching her child grow up. However, she soon learns that trying to keep a grown alligator for a pet could have disastrous consequences, for herself and everypony around her.