Doogie is no ordinary teenager, he is a doctor. As smart as they come, he has been a doctor since the age of fourteen. But it's not because you are highly intelligent that you don't have the same feelings toward life. He is constantly torn between a life of teenage fun with his buddy Vinny, and a more serious and quiet life practicing medicine.

	4x01 There's a Riot Going On Doogie is having a hard time grasping the meaning of the 1992 L.A. riots following the not guilty verdict of the Rodney King beating trial.	Sep. 23, 1992
	4x02 Look Ma, No Pants Katherine is having a hard time pulling herself away as Doogie's mother after he starts dating her boss, which includes getting caught skinny dipping.	Sep. 30, 1992
	4x03 Doogie Got a Gun Doogie considers buying a gun after the family home is robbed, but flashes of past shooting victims is haunting him.	Oct. 07, 1992
	4x04 Doogie Doesn't Live Here Anymore Doogie looks for a new apartment and falls in love with a loft in Venice Beach. Mean while Vinnie also needs to find a place to stay after his parents divorce.	Oct. 14, 1992
	4x05 The Patient in Spite of Himself Doogie and a fellow doctor are used as patients for a med-school project with hopes of being poked and prodded would give them a glimpse of what it's like to be a patient.	Oct. 21, 1992
	4x06 To Err is Human, to Give up Isn't a Bad Idea Doogie faces doubt during his first chance of operating solo, and Vinnie faces his own doubts voting for the first time.	Oct. 28, 1992
	4x07 Doogie, Can You Hear Me? Doogie is enamoured by a hearing impared patient , but isn't hearing what she's saying. She inspires Vinnie with a Chaplin-esque styled silent film.	Nov. 11, 1992
	4x08 Nothing Compares 2 U Doogie has a hard time with his ego after a nurse chooses Vinnie over him. Also Raymond comes up short compared to the other technicians.	Nov. 11, 1992
	4x09 Do the Right Thing ... If You Can Figure out What It Is Doogie has a hard decision to make choosing the best candidate for a heart transplant surgery. Vinnie is in a dilemma over a vulnerable Janine.	Nov. 18, 1992
	4x10 The Big Sleep ... Not! Doogie stays at the hospital to get some rest on Thanksgiving eve while a young mother feigns an illness to do the same thing.	Nov. 25, 1992
	4x11 Will the Real Dr. Howser Please Stand Up Doogie accuses a family friend of child abuse after being brought in Eastman for injuries.	Dec. 09, 1992
	4x12 The Mother of All Fishing Trips After David throws his back out, Katherine joins Doogie for the annual father-son camping trip. Meanwhile, Vinnie takes care of Dr. Howser at home.	Dec. 16, 1992
	4x13 Roommate with a View A free spirited model stays with Doogie and teaches him about trusting the unknown, as does a kidney transplant patient.	Dec. 30, 1992
	4x14 Spell It "M-A-N" A nurse gets revenge on Doogie by spreading rumors about him after he's caught in locker room bragging. Vinnie gets a new film school roommate.	Jan. 06, 1993
	4x15 It's a Tough Job ...But Why Does My Father Have to Vinnie has a tough time adjusting to his father's new girlfriend/masseuse , while Doogie has to adjust after his father is asked to replace a staff doctor who died suddenly.	Jan. 13, 1993
	4x16 The Adventures of Sherlock Howser Doogie plays Sherlock Holmes with Vinnie as Dr. Watson as he tries to figure out his relationship with Michele.	Jan. 20, 1993
	4x17 Love Means Constantly Having to Say You're Sorry Laura made Vinnie feel like a man, but his jealousy over her relationships with other men makes him look like a child. Meanwhile, Doogie is puzzled by the illness of a traveler.	Jan. 27, 1993
	4x18 You've Come a Long Way, Baby-Sitter Sometimes things are better left alone including Doogie meeting his former babysitter whom he had a crush on, and Vinnie's desire to have his script read by a star.	Feb. 03, 1993
	4x19 Love Makes the World go 'Round ... or is It Money? Vinnie is tested over right and wrong after a bank mistake gives him $16,000; Doogie must prove his integrity to a girl with a crush on him.	Feb. 24, 1993
	4x20 Dorky Housecall, M.D. An acerbic cartoonist patient helps Doogie get a grip on his platonic relationship with Michele.	Mar. 10, 1993
	4x21 Eleven Angry People ... and Vinnie Vinnie sticks to the letter of the law after being called to court as a juror, as does Doogie after finding a bogus doctor is practicing at Eastman.	Mar. 17, 1993
	4x22 What Makes Doogie Run Doogie feels his genius status is more of a curse than a blessing and looks for inspiration outside of medicine.	Mar. 24, 1993