I like Man Vs. Food. Adam Rickman is awesome. The things he puts himself through. Its hilarious and sometimes hard to watch.
From the very starting years of my life i love to dance and also like reality dancing TV shows and now my favorite one is Dancing with the Stars.
Billy the Exterminator, hands down. Also, for the fans, check this out, hillarious: http://www.youtube.com/watch?v=Cml33VwMzMM