Between seasons 1-3 which seasons did you find funny and more entertaining to the point you can watch it over and over and over again without getting bored ?

http://www.youtube.com/watch?v=JMGZHT6RwmM
http://www.youtube.com/watch?v=-oBRq_QhpuA
http://www.youtube.com/watch?v=yEG6sbIyVKQ
http://www.youtube.com/watch?v=82Aut0WrrhY
http://www.youtube.com/watch?v=B3Xbp8OFyR8
http://www.youtube.com/watch?v=wPz87AZ2p14