A Christmas concert prank ends in a collapse
Students plot to mock their teacher in a holiday jazz number; Natalie is left singing the insult alone, then falls ill on stage.
S5E11 · Joy to the World
20 moments · 29 min of essential viewing in a 44-minute episode.
Moments, in order
House throws away a mystery Christmas present
Cuddy pitches the case and denies a crush; a gift arrives with a note, and House bins an antique Joseph Bell book twice.
Cuddy tries to reach the bullied girl
Cuddy asks about the painkillers, insists she understands high school cruelty, and Natalie describes a website calling her a pig.
Wilson spins the tale of Irene Adler
Wilson tells the fellows a moving story about the one who got away, then laughs: he gave House that book and wrapping last Christmas.
The fellows insist Cuddy is in love with House
Cuddy is caught lingering, and the team needles House during the differential that the gift came from her, until he figures out who talked.
Wilson dares House to be nice for the holidays
House explains the self-gift as a test of his team; Wilson diagnoses holiday loneliness and House takes on the challenge to be kind.
Thirteen learns why Janice quit the trial
Thirteen introduces herself as Remy; Janice says Foreman told her to get over her nausea, and she won't spend her time as a guinea pig.
Nice House tells a virgin she is pregnant
House offers Whitney tea and courtesy, then reads her symptoms to announce a pregnancy she insists is impossible.
House asks why Cuddy is so attached to Natalie
Natalie's liver is failing; House teases Cuddy about the hots, then suggests the girl reminds her of the baby she tried to adopt.
Thirteen tells Foreman he is like House
Thirteen asks Foreman to apologize to Janice; he refuses, and she says he isn't acting like House, he is like him.
The fiancé, the toilet seat and the musket ball
Whitney's fiancé Geoff questions House's toilet-seat claim, and House offers a Civil War tale of a miracle conception.
Kutner corners the bully
Kutner catches Simon visiting Natalie, threatens him with drugs from his locker, and learns he once supplied her with vodka.
Cuddy opens up to Natalie about having no kids
Natalie explains why she bought vodka from Simon, and Cuddy admits she was good at work and lousy at life.
House announces a virgin birth
The paternity test says Geoff isn't the father, yet House explains parthenogenesis and declares a Christmas miracle.
House won't treat Natalie, and Cuddy doesn't push
Natalie's organs keep failing; House suspects leukemia but orders only a test, and the team realizes treatment couldn't save her.
House admits the virgin birth was a fake
Cuddy pleads for one more theory, then learns House faked parthenogenesis to win an argument with Wilson; her outrage sparks his epiphany.
Natalie's secret baby
Told she has a pregnancy disease, Natalie admits to a hidden birth with Simon in an empty house and says the baby didn't survive.
The baby is found alive
A doctor traces the empty house and finds a young woman caring for the infant, persuades her to let go, and Natalie meets her daughter.
Christmas montage: apologies and an adoption plan
Over a song, Natalie holds her baby, Kutner apologizes to Jonathan for high-school cruelty, and Cuddy decides to foster and adopt.
Thirteen's gift to Foreman
Janice is back on the trial thanks to Thirteen, who tells Foreman she was wrong: he isn't House.
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