When Michael’s old acquaintance Larry shows up unannounced, it is up to Michael to clean up his mess. Meanwhile, Michael’s brother Nate shows up with his new wife Ruth.

Confident second-year resident Pratt wants to prove his abilities when he works the graveyard shift (11 p.m. to 7 a.m.), but his heroics sometimes backfire. Pratt shows contempt for a…

Dr. House goes with his gut and performs an unethical act to prove what he suspects to be the link to a teenage lacrosse player’s illness in order to save…