the guys are controlling their stereo, remote control cars and their lights with their computer and sheldon is discovered to have thrown away a letter about him and leonard presenting their paper. Leonard goes (much to the objection of Sheldon) and presents the paper, but Sheldon interrupts at the end of it and has a silly fight with leonard. Harold (i think thats his name) records the fight and puts it on youtube where it becomes a hit. He also put a picture of Penny on his facebook page, saying that shes his girlfriend. that was a hilarious episode! i just absolutely loved it!
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