McCoy left his quarter and got into the turbolift. There he met the Captain. "Good morning Bones. Did you sleep well?" McCoy yawned instead of giving an answer. "Did you know that it is Fool's Day today?" "No." "I didn't either. I just read it on this PADD." The turbolift stopped and opened the doors. "See you for lunch.", McCoy said while leaving it.
You know that your duty doesn't start well when you don't get into your clothes. It wasn't that McCoy wouldn't fit in his physician's uniform, but someone had sewed the arm holes together. Miss Chapel helped him to get out under steady laughing. "Miss Chapel, do you have something to do with this?", he asked her angrily while putting on another shirt. "No, I'm not responsible for this incident, but I wish I would be. Come on, it's only Fool's Day." "Maybe you're right. I shouldn't be that angry. Let's go to work." He walked over to the cupboard where the tricorders where stored. McCoy screamed desperately after an onrush of plush tribbles gushed over him. They were handmade.
"You asked for me?", Spock asked without a single move in his face. "Yes, I would like to see last night's video recordings of this room." "Surely, but why?" "I want to know who played all the pranks on me." "I think the sense of Fool's Day is that you do not know who tricked you." McCoy was astonished. "Ah, really? But I want to have revenge." Spock got slightly nervous. "Revenge is futile. And a few plush tribbles do not hurt, do they?" "Oh, don't come to me with volcan philosophy! Moment, I brought the plush things away and I didn't tell you about them. How do you know?" "Uhm, there is a saying: Gossip is faster than warp." Spock turned to the door. "I have very important business to do." "Where?" "Somewhere else!", he shouted and left the sick bay immediately. "Well that was an answer too.", McCoy said to his nurse who just entered the room.
OOO
"Jim, I need your help." Kirk stopped to read the daily report and spent his attention to Bones who sat down in one of his bureau's chairs. "What is it about?", the Captain asked. "Fool's Day.", was the response.
OOO
The evening came and Spock was tired but still inwardly laughing about the little pranks he played to several crewmembers over the day. He had programmed the casino's replicators to replicate only cold coffee, he had hung Scotty's toolbox on the ceiling (He had crawled through an air duct which led to the ceiling.) and he had programmed the computer to sing every answer it gave. Sometimes he just had to be more human than usual, and pranks were a funny way to do so. 'I just love Fool's Day.', he thought.
He entered his quarters. First he didn't understand what was happening. He only felt wet. Then it got dark. Spock removed crossly the bucket from his head. He heard McCoy and Kirk who were screaming 'April fools!' from outside the door.