What is your best practical joke that only you, now reddit, knows about. Warning Wall of Text! Sometimes jokes are best when only you know about them. [Andy Kaufman](http://en.wikipedia.org/wiki/Tony_Clifton) was king of these. My jokee was an unsuspecting neighbor. I had Dish Network service and one of the remote controls was an RF remote meaning that you didn't have to be line of sight in order for it to work. My very new neighbor recently got Dish Network installed, I saw them putting up the dish. That night began my joke. Every 15 minutes, I would get as close to his house as possible and change the channel from the Thursday Night football game to the closest religious channel. I think the 700 club was playing that night. I was in the yard doing a little yard work at the time when i would hear ""God Damnit! and he would change the channel back. This went on for about 2 hours until the end of the game when he came storming out of the house and jumped inthe car muttering about that God Damned cable company. when he returned he had a fresh case of beer and gave me a nod and asked if i ever had a problem with my cable. ""Nope!"" i said and he started going off on Comcast for the poor service, he was going to call and give them hell. when he got int he house i saw him pick up the phone and give me a thumbs-up through the window. I think he was showing off a bit and began to tear into the customer service for COMCAST. after a bit he came out and said that Comcast told him that they were not his provider but that he had complained so much they would send out a technician tomorrow. Friday came and I was off work so i just sat in the house and watched as the Comcast guy pointed to his dish and gave the guy a pamphlet for their service. and walked off. The neighbor walked back into his house and i saw him sit back down in to stew a while. I clicked ""Search"" then selected the following search terms ""I AM WATCHING YOU"". I then changed my remote to IR only and then turned off the rf feature on my receiver. I never did it again and he moved out about 2 years later without me every confessing. I chuckle to myself often about this. **TL/DNR:** Used to mess with neighbors TV till he bitched out wrong service provider. Anyone have a good one like this?