To celebrate 75 years since Superman first appeared in Action Comics #1, DC Comics has released an animated short of Superman through the decades. I still mourn the loss of the red underpants.
You all know about Rickrolling, but now theatre group Commedia Beauregard (also known for A Klingon Christmas Carol) takes it into the 23rd Century with Rick Astley’s “Never Gonna Give You Up” translated into Klingon (jIyIntaHvIS not qajegh):
Also here is a game of Chivalry: Medieval Warfare played on a multiplayer server with the gravity set to low. Everyone is screaming all the time.