6x1 - The Brittle Warrior

September 10, 1974

6x2 - The Faith of Childish Things

September 17, 1974

6x3 - Last Flight to Babylon

September 24, 1974

Len Dalton is unable to secure a position as a pilot, fearful of losing the affections of his girlfriend and suffering from post-operation depression, he contemplates suicide. After visiting Dr. Welby for a checkup, Dalton tries to persuade Consuelo to give him some sleeping pills. When his pleading fails, he obtains the drug from another source and tries to end his mental anguish forever.

6x4 - To Father A Child

October 1, 1974

6x5 - The Outrage

October 8, 1974

"The Outrage" is a 1974 episode of Marcus Welby, M.D., a long-running American medical drama on ABC. The episode tells the story of a teenage boy who is sexually assaulted by his male teacher. The episode, which originally aired October 8, 1974, sparked controversy and anger for its equation of homosexuality to pedophilia. "The Outrage" was targeted for protests by LGBT rights groups and several network affiliates refused to broadcast it.

6x6 - The Fatal Challenge

October 15, 1974

6x7 - A Fevered Angel

October 22, 1974

Dr. Welby and Kiley fight to save the life of a three-year-old boy, whose mother will not allow the child to be given proper medical treatment because of her fanatical beliefs.

6x8 - Feedback

October 29, 1974

Even though Dr. Welby gives him the best treatment modern medicine can provide plus wise counseling and encouragement, Williams has a difficult time adjusting to an entirely different way of life after having to give up his career because of his affliction.

6x9 - No Gods In Sight

November 12, 1974

6x10 - Hell Is Upstairs

November 19, 1974

6x11 - The Last Rip-Off

November 26, 1974

6x12 - Child of Silence

December 3, 1974

6x13 - The 266 Days

December 10, 1974

6x14 - The Resident

December 17, 1974

6x15 - Dark Fury (1)

January 7, 1975

Dr. Kiley takes Susan Davis out to dinner to celebrate the first annivesary of her operation. When Kiley takes her home, he leaves, but then he hears her scream. At length he succeeds in battering down her door, and finds that she has been sexually violated by her ex-boyfriend, Wayne Trent. Kiley takes Susan to the hospital. Later, he goes after Trent, who in attempting to flee, is seriously injured when his car crashes into a concrete pillar.

6x16 - Dark Fury (2)

January 14, 1975

After Susan Davis has been molested by her ex-boyfriend, who has constantly harassed her, Kiley tries to find him. After an accident occurs in which the attacker almost dies, Kiley is subsequently charged with malpractice.

6x17 - Public Streets

January 21, 1975

6x18 - The Time Bomb

January 28, 1975

Dr. Welby has serious self-doubts when a young woman develops a cancerous condition, and blames him because of treatments he had recommended when she was a child.

6x19 - Four-Plus Hot

February 4, 1975

6x20 - Jake's Okay

February 11, 1975

6x21 - Save the Last Dance For Me

February 18, 1975

6x22 - The Unindicted Wife

February 25, 1975

6x23 - Dark Corridors

March 4, 1975

6x24 - Loser in a Dead Heat

March 11, 1975

Constant arguments between her parents because of her father's compulsive gambling, cause a girl to suffer from hyperventilation, a condition in which the subject's intake of oxygen is excessive.