Season 4

The 1992 L.A. riots find trauma surgeon Doogie overwhelmed.

Katherine can't stop playing mother to Doogie even after he dates her boss, whom he brings to the house for skinny-dipping.

After the family is robbed, Doogie considers buying a gun, but he's haunted by memories of shooting victims he's treated.

Doogie hunts for new digs and finds a Venice Beach loft; and Vinnie must also find a new home when his parents divorce.

A med-school project has Doogie and a fellow doctor posing as patients, being poked, prodded and probed to learn how to empathize with patients.

Doogie faces his first solo surgery fearing he's not perfect; and Vinnie faces his first time voting.

A hearing-impaired patient charms Doogie, who speaks her language by signing but may not be listening. She also offers creative inspiration for Vinnie's Chaplinesque film.

Doogie's ego takes a beating when a winsome nurse chooses Vinnie over him. Raymond also comes up short when comparing himself to other technicians.

Doogie's heart tells him to do one thing, his head another in choosing the best candidate for a heart transplant; and Vinnie's dilemma involves a vulnerable Janine.

Doogie holes up at the hospital on Thanksgiving Eve for some R&R, as does a new mother who feigns illness to get away from her family.

Doogie spots evidence of child abuse when his dad's friend brings in his injured son for care.

Doogie's mom makes a poor substitute as Doogie's fishing partner when Dr. Howser throws his back out and is at home being cared for by Vinnie.

Doogie learns a lesson about trusting the unknown from a free-spirited model sharing his loft, as does a kidney-transplant candidate.

A nurse Doogie's dating retaliates against his braggadocio by spreading rumors about him; Vinnie gets a new film-school dormmate.

Vinnie can't adjust to the masseuse his father is dating; Doogie's dad is asked to replace a doctor who expired while on duty.

Doogie as Sherlock Holmes and Vinnie as Dr. Watson play out Doogie's confusion over Michele.

Laura makes Vinnie feel he's "become a man," but he reacts with adolescent jealousy to men around her. Meanwhile, a traveler's illness puzzles Doogie.

Some things are better left unexplored, like Doogie's crush on his old baby sitter or Vinnie's dream of having a star read his script.

A deposit error dumping $16,000 in Vinnie's account tests his integrity; and Doogie must prove his integrity to a girl with a crush on him.

Doogie bemoans his friendship-only status with Michele but finds inspiration on how to deal with it from an acerbic cartoonist patient.

Jury member Vinnie tries to look beyond the letter of the law, as does Doogie, who uncovers a bogus doctor at Eastman.

Doogie sees his gift of genius as more of a curse than a blessing as he seeks inspiration outside the world of medicine.