What eps has house been druged or knocked out or something like that please tell me thank you

In the episode "You Don't Want To Know" 4x08

Whe His Team Druged Him to Make a Liver & Kidney Biopsy.

=D

In episode 5x04 ("Birthmarks"), Cuddy gives House a shot which knocks him out, so Wilson can take him to his father's funeral because he wouldn't have gone otherwise.