Season12 poster
Series SeasonSeason 12 episodes1970

Bonanza

Season12

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Episodes
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The Night Virginia City Died
Episode 149 min1970-09-13

The Night Virginia City Died

In the 12th season premiere, a series of destructive fires strike Virginia City, and always late at night. Is it the work of a ruthless arsonist, or someone very close to Deputy Clem?

A Matter of Faith
Episode 249 min1970-09-20

A Matter of Faith

Dusty takes in orphaned Jamie Hunter, the son of a recently-deceased rainmaker. Jamie is determined to carry on his father's tradition by using drought-stricken Virginia City to prove his talents.

The Weary Willies
Episode 349 min1970-09-27

The Weary Willies

The Weary Willies are hippie-like former Civil War veterans who are now drifters and live off the land. Despite protests from fellow ranchers and the people of Virginia City, Ben allows the traveling band to stay at the Ponderosa. The real trouble begins when a teen-aged girl is raped and the Willies are blamed.

The Wagon
Episode 449 min1970-10-04

The Wagon

After being taken into custody by a sheriff who does not care if he is guilty or innocent of a crime, Hoss escapes from the prison wagon with a woman he is convinced got a raw deal.

The Power of Life and Death
Episode 549 min1970-10-11

The Power of Life and Death

A man called Davis has shot Colonel Clayton and escapes on horseback. Joe and Ben join the posse that sets out to find Davis. Ben and Joe volunteer to cross the desert. Ben and Joe find Davis hold up at a water hole, when Indians attack and Ben is wounded in the leg, and steal the horses. Joe unties Davis, who tends to a wounded Ben, who is suspicious that Davis will try to escape. After playing a game of cat and mouse, Ben and Davis come to an agreement: survival. Joe makes the decision to cross the desert on foot, while Ben and Davis are at the water hole, both men in need of medical help and justice.

Gideon, the Good
Episode 649 min1970-10-18

Gideon, the Good

On the trail, Joe witnesses a woman kill a man, but the woman rides away before he can positively identify her. He rides into the nearest town, Black River and reports the crime to Sheriff Gideon Yates, and the two ride out to find clues. They find a handkerchief embroidered with the letter "L". Sheriff Yates knows who the killer is, his wife Lydia. She married him before she got a legal divorce from her first husband, Loomis, and killed him to silence him. Gideon tries to coax Joe out of town, but he recognizes Lydia's picture in a photographer's window. When Joe refuses to leave, Gideon tries to shoot him down in cold blood and orders a manhunt against him. Joe's only hope is a Mexican stable boy, who saw Gideon shoot him, and ultimately Joe and Gideon have one of the most memorable confrontations in the series' history.

The Trouble with Trouble
Episode 749 min1970-10-25

The Trouble with Trouble

When Hoss volunteers to be Sheriff of a town called Trouble, he soon finds out that the town had correctly been named. Hoss almost manages to arrest the whole town, and captures the Clanton gang all by himself.

Thornton's Account
Episode 849 min1970-11-01

Thornton's Account

Ben's new horse throws him down a steep slope, injuring his back. Joe tries to round up some help, but the settlers in the valley live in fear of the devious owner and his hired help. Joe goes for help from a man named Thornton, but he is wounded by the lowlife cowboys, and has no choice but to ask them for help. A very imaginitive and visually creative dream Ben has of Joe calling out to him and falling beside him, before waking up and realizes he has just had a terrifying nightmare.

The Love Child
Episode 949 min1970-11-08

The Love Child

A dying woman and her son are rejected by her father because she had a child out of wedlock.

El Jefe
Episode 1049 min1970-11-15

El Jefe

Ben and Hoss come to the rescue of Mexican farmers who are forced off their land by the greedy mine owner who runs the town of Prince River.

The Luck of Pepper Shannon
Episode 1149 min1970-11-22

The Luck of Pepper Shannon

Pepper Shannon is a dime novel hero and outlaw. Ben gives a job to Pepper Shannon on the condition the one-time outlaw stays away from Jamie, who happens to admire him.

The Impostors
Episode 1249 min1970-12-13

The Impostors

Hoss and Joe pretend to be stage robbers' partners in order to recover stolen Cartwright money. All goes well until the wife of one of the thieves shows up.

Honest John
Episode 1349 min1970-12-20

Honest John

Jamie forms a bond with a bum and his tame crow. Before long, Jamie suggests they repair an old wagon and leave the Ponderosa.

For a Young Lady
Episode 1449 min1970-12-27

For a Young Lady

A girl's uncle and aunt want custody of her only because they believe she has the rights to her late grandfather's mine.

A Single Pilgrim
Episode 1549 min1971-01-03

A Single Pilgrim

Settlers from Virginia argue over Hoss' fate after one of them accidentally shoots him.

The Gold-Plated Rifle
Episode 1649 min1971-01-10

The Gold-Plated Rifle

An insecure Jamie is unsure of his place in the family, having trouble adjusting at his new school and keeps getting harassed by a bully. When he takes Ben's prized gold-plated rifle and breaks it, he runs away, sending Ben to go looking for him.

Top Hand
Episode 1749 min1971-01-17

Top Hand

The Cartwrights are about to start a major cattle drive with other ranchers. It has been decided that Ben's foreman will be trail boss on the drive. Weatherby, a fellow rancher who is also with Ben, has agreed to have Kelly as trail boss, until he finds out that Kelly was previously on a cattle drive with him, and fired him for drinking. Weatherby also suggests that his younger wrangler take the job as trail boss, and a conflict is started between both Ben's foreman and Weatherby's wrangler.

A Deck of Aces
Episode 1849 min1971-01-31

A Deck of Aces

Bradley Meredith, a Ben Cartwright look-a-like, causes trouble when he sells land to the railroad. Ben has already turned down the deal, but Meredith, acting as Ben, accepts the deal, which stirs up all kinds of trouble.

The Desperado
Episode 1949 min1971-02-07

The Desperado

Hoss is held prisoner by a fugitive black couple who they admit hate white people and have nothing to lose by killing them.

The Reluctant American
Episode 2049 min1971-02-14

The Reluctant American

An English couple comes to Nevada to learn why a ranch owned by the British investment firm is the only company holding not showing a profit.

Shadow of a Hero
Episode 2149 min1971-02-21

Shadow of a Hero

Ben is shocked to learn the Army general he is backing as governor, advocates a policy of genocide towards all Indians.

The Silent Killer
Episode 2249 min1971-02-28

The Silent Killer

An epidemic of influenza hits the Ponderosa and the only person who seems sure of what to do is the wife of a doctor, whom Doc Martin says is a fraud.

Terror at 2:00
Episode 2349 min1971-03-07

Terror at 2:00

A racist and his henchmen steal a Gatling gun, with plans to massacre everyone - including the Cartwrights - involved in a peace treaty signing between the U.S. Army and the Paitues in Virginia City. The man's hope is that the tragedy will spark another war and eventually lead to the genocide of all Native Americans.

The Stillness Within
Episode 2449 min1971-03-14

The Stillness Within

Blinded by an explosion, Joe wallows in self-pity, and at first resists the efforts of a woman trying to teach him to live without sight, not knowing she is also blind.

A Time to Die
Episode 2549 min1971-03-21

A Time to Die

While visiting the Ponderosa, Ben's friend, April Christopher, is bitten by a rabid wolf. Ben and April and her daughter must come to terms with her illness as they all realize the terrible fate that awaits April.

Winter Kill
Episode 2649 min1971-03-28

Winter Kill

The foreman of a neighboring ranch shoots a special steer belonging to the Cartwrights, and his scheming boss plots to take unfair advantage of the mistake.

Kingdom of Fear
Episode 2749 min1971-04-04

Kingdom of Fear

Ben, Hoss and Joe, along with Candy and a fellow rancher, are jailed on false trespassing charges by a greedy mining tycoon. The despot runs a gold mine (i.e., a thinly-veiled prison camp) and acquires slave labor by pressing phony criminal charges against the unfortunate inmates.

An Earthquake Called Callahan
Episode 2849 min1971-04-11

An Earthquake Called Callahan

The only person who can get Dusty out of jail is a professional fighter who will not return to Virginia City, so Joe stays on the man's heels no matter where he goes.

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