Tuckered Boys is the 43rd episode in Season 1 of Clarence.
Jeff is all set to go to bed so he can wake up for the early morning meteor shower when Clarence suggests the unthinkable: What if they stay up – all night long?! As the boys struggle to stay awake, their reality starts to slip away as sleep-deprivation induced hallucinations play tricks with their heads.
The episode begins with Clarence making games with Sumo, Jeff looks through a telescope. He explains to them about the rain of stars that is approaching and about a site that speaks of the subject. Later, Jeff takes them out of his room and goes to sleep, but they quickly come back to offer them to stay up all night. Jeff thinks it's a good idea and they start having fun. However, shortly thereafter they are already bored, except for Jeff who reads about Copernicus. Suddenly, Sumo is hungry and the children go to a "search for provisions" and end up at a gas station. There, Clarence and Sumo begin to hallucinate, meanwhile, Jeff wants to go to the bathroom, but was so dirty that he ran and hit a post. Later, the three of them are walking through the forest with a cart, Clarence explains to Jeff what happened, suddenly the cart is stuck with a tree and the children begin to hallucinate various things, Jeff gets angry with them until it begins to hallucinating with Copernicus and leaving, then, the hallucinations of both become stronger; Clarence haunts various crazy things, Sumo hallucinates with walking leaves, and Jeff with finding the constellation Copernicus. Much later, Jeff becomes angry with Clarence for ruining his hallucination with Copernicus and the three run away and fall down a mountain, ending up in a baseball stadium, surrendering to his hallucinations. When the rain of stars begins, the three appreciate it and return to the house of Jeff, who wants to upload his report, but falls asleep on the keyboard of his computer.