This is it: Lloyd P. Nebulon is finally 13. He is a man. However, while bragging about it in class, Mrs Bolt assigns him a 50 Megabyte essay on whay it means to be a man for the next day. Lloyd tries poker, but loses his money to a robot toaster. Then he tries fishing but blows up a factory. Then Officer Horten lets him take the wheel of the police car, but Lloyd destroys it and a waste-disposal unit when he goes into hyperdrive. Because of that, Lloyd is grounded for a month and is made to stay in his room while his mom goes to negotiate with the owners of the factory. However, he has to leave when he finds out Francine is destroying the nursery. Lloyd eventually gets there and stops Francine before it's too late, using all the tips he had gained. Then, he finally realised what it meant to be a man and finally got to work on the paper.

The upcoming school dance is here but Lloyd doesn't know who to take until he meets Cindy! But he doesn't know what he's really getting until he meets her other head and finds out she's mean! He then takes his grandpas advice and tries to change the evil head.

Lloyd's science project goes bad when he feeds it too much junk food.

Lloyd feels unappreciated by his family and friends but after falling into a worm whole on a class field trip and landing in the dumpster 20 ft away he finds out how much he really does mean to everyone!

Lloyd and his pals sneak aboard a visiting hero's spaceship. But they relize he is nothing but a wimp when they take a ride are captured by aliens and Lloyd's mom must rescue them!