House (also known as House, M.D.) is an American television medical drama about Dr. Gregory House, a pain medication-dependent, unconventional, misanthropic medical genius who leads a team of diagnosticians at the fictional Princeton–Plainsboro Teaching Hospital in New Jersey.
In episode 3, "97 seconds" of season 4, in House M.D. House electrocutes himself by putting a knife in socket but when Wilson asks him what he saw, he does not reply. He wanted to talk to the guy who ...
Sometimes directors/creators of TV series will throw in Easter eggs of something they like, where they're from etc. For example, in Seinfeld there's quite a few episodes with some sort of Superman ...