After becoming an orphan, Heidi is forced to live with her grandfather Öhi who lives in the mountain Alps. However he is a very bitter man who only accepts to take her in by force. Heidi's kindness may be able to open Öhi's heart. Along with Peter the goat carer and the crippled Klara, Heidi has a lot of adventures.
Heidi, Girl of the Alps (Season 1)

To the Alps (Episode 1)
Air date: 1974-01-06
Runtime: 25 min
Overview: Heidi is taken to her grandfather's house by her Aunt Dete.

Grandfather's Cabin (Episode 2)
Air date: 1974-01-13
Runtime: 25 min
Overview: Heidi joyfully gets accustomed to her new surroundings.

The Mountain Pasture (Episode 3)
Air date: 1974-01-20
Runtime: 25 min
Overview: Heidi goes with Peter, the local goatherd, to the pastures and enjoys a day of fun-filled picnic there.

Another Member in the Family (Episode 4)
Air date: 1974-01-27
Runtime: 25 min
Overview: While out on the pastures one day, Heidi encounters a storm. After braving it, she finds a nestling and decides to raise it.

The Burnt Letter (Episode 5)
Air date: 1974-02-03
Runtime: 25 min
Overview: Pichi is taken by Heidi to the mountain pastures and has another thrillingly exciting day filled with dangers. Meanwhile, through Peter, Alm-Uncle receives a letter from Aunt Dete, intending to take Heidi to Frankfurt, which he destroys, acting as if it does not concern him.

Whistle Louder (Episode 6)
Air date: 1974-02-10
Runtime: 25 min
Overview: One day, in her attempts to learn how to be a goatherd, Heidi tries milking a goat and whistling, eventually succeeding.

The Whisper of the Fir Trees (Episode 7)
Air date: 1974-02-17
Runtime: 25 min
Overview: With high winds in the mountain pastures, Alm-Uncle decides not to let Heidi go to the mountains. Instead, she helps her grandfather make cheese. But Snowflake, a baby goat, comes to her anyway, leading her to unintentionally ruin the cheese.

Where Is Pichi? (Episode 8)
Air date: 1974-02-24
Runtime: 25 min
Overview: Pichi follows the seasonal birds, and Heidi finds it hard to calm down. Alm-Uncle takes her to collect chestnuts and grapes. Meanwhile, to make up for a previous quarrel, Peter captures a bird that looks like Pichi and gives it to Heidi. Heidi releases it and gives chestnuts and grapes to Peter to make up.

The Snowy Alps (Episode 9)
Air date: 1974-03-03
Runtime: 25 min
Overview: Winter arrives, bringing long hours indoors. Heidi arranges food under the cover of the three fir trees for herbivores and tries to befriend the animals.

To Grandmother's House (Episode 10)
Air date: 1974-03-10
Runtime: 25 min
Overview: After the snowfall ceases, Heidi is taken by her grandfather on a sled to Peter's grandmother, as per her invitation. There, Heidi learns of the grandmother's blindness and cries. She asks her grandfather to repair Peter's dilapidated home so the blind grandmother can find comfort.

The Snowstorm (Episode 11)
Air date: 1974-03-17
Runtime: 25 min
Overview: Hunters try to get the herbivores Heidi feeds but are stopped. Later, Heidi sends Alm-Uncle to rescue the hunters after they venture out again. After much worry, Grandpa returns with them safely.

Sounds of Spring (Episode 12)
Air date: 1974-03-24
Runtime: 25 min
Overview: With spring arriving in the mountains, there are dangers of sudden avalanches. On returning from a sled race after giving Peter's grandmother a spring flower, they encounter an avalanche. Thanks to Alm-Uncle's quick action, they are saved instantly.

Return to the Pastures (Episode 13)
Air date: 1974-03-31
Runtime: 25 min
Overview: With spring officially back, Peter and Heidi return to the meadows with their flock. Peter gets into a fight with another herder who accuses him of trying to steal his stranded goat. Joseph's intimidating presence scares the individual off.

Sad News (Episode 14)
Air date: 1974-04-07
Runtime: 25 min
Overview: Heidi's favorite goat, Snowflake, is about to be sent to the slaughterhouse because it stopped giving milk. Heidi attempts to prevent this by gathering nutritional herbs from mountain crevices.

Snowflake (Episode 15)
Air date: 1974-04-14
Runtime: 25 min
Overview: Mr. Strahl, the owner of Snowflake, is convinced not to slaughter the goat after Heidi demonstrates its increased milk yield.

The Village of Dorfli (Episode 16)
Air date: 1974-04-21
Runtime: 25 min
Overview: Heidi visits Dorfli to check on Snowflake. On returning, she talks to Alm-Uncle about going to school, but he flatly refuses.

Two Guests (Episode 17)
Air date: 1974-04-28
Runtime: 25 min
Overview: The local church pastor tries to convince Alm-Uncle to let Heidi attend school but is refused. Then Aunt Dete arrives, unwilling to accept no for an answer.

Separate Ways (Episode 18)
Air date: 1974-05-05
Runtime: 25 min
Overview: After threatening legal action, Alm-Uncle angrily allows Heidi to go with Dete to Frankfurt, despite protests from Peter and her grandmother. Heidi goes, unaware that Dete lied about it being a day trip.

To Frankfurt (Episode 19)
Air date: 1974-05-12
Runtime: 25 min
Overview: Through coaxing, forcing, and lying, Dete takes Heidi to Frankfurt, where she becomes the playmate of an invalid child, Clara. Upon arrival, she is introduced to the governess Rottenmeier, who is strict, and Dete leaves.

A New Life (Episode 20)
Air date: 1974-05-19
Runtime: 25 min
Overview: After a sleepy dinner, Heidi’s life in Frankfurt begins. She is constantly nagged by Rottenmeier and disappointed when she sees that the window blinds do not show the mountains. She endures it to bring tobacco and white bread to her grandmother and grandfather.

I Want to Fly (Episode 21)
Air date: 1974-05-26
Runtime: 25 min
Overview: During lessons and punishments, Heidi empathizes with Clara’s condition through her pet caged bird, which Clara also owns.

The Distant Alps (Episode 22)
Air date: 1974-06-02
Runtime: 25 min
Overview: Heidi, avoiding Rottenmeier's gaze, explores the city but finds only a dreary urban landscape.

A Big Uproar (Episode 23)
Air date: 1974-06-09
Runtime: 25 min
Overview: Heidi receives a kitten from the kind church tower maintainer and hides it in the attic with the help of the manservant Sebastian. Other kittens sent to her are promptly returned because Rottenmeier cannot handle them, along with a turtle that came from a street musician boy.

Meow Is Abandoned (Episode 24)
Air date: 1974-06-16
Runtime: 25 min
Overview: Rottenmeier discovers the hidden kitten and throws it away. Heidi leaves, but Sebastian assures her that the kitten is safe at a friend's house.

The White Bread (Episode 25)
Air date: 1974-06-23
Runtime: 25 min
Overview: On a routine inspection, Rottenmeier finds all the white bread Heidi stored for Peter’s grandmother and confiscates it. Heidi wails, but Clara consoles her by saying the bread was already molded and cheering her up with a fairy tale.

The Return of Mr. Sesemann (Episode 26)
Air date: 1974-06-30
Runtime: 25 min
Overview: Mr. Sesemann returns to visit Clara and is impressed with Heidi’s companionship with her. He later informs Clara’s grandmother, which annoys Rottenmeier but delights Heidi.

Grandmother (Episode 27)
Air date: 1974-07-07
Runtime: 25 min
Overview: Clara’s grandmother becomes an instant favorite of both girls and spends a fun-filled day with them. For once, Heidi does not think about the mountains.

Let's Go to the Forest (Episode 28)
Air date: 1974-07-14
Runtime: 25 min
Overview: After seeing Heidi cry over a picture of the mountains, the grandmother takes both girls for a picnic in a state park, much to Rottenmeier’s chagrin.

Two Hearts (Episode 29)
Air date: 1974-07-21
Runtime: 25 min
Overview: After a day at the park, Clara falls ill.

I Want to Catch the Sun (Episode 30)
Air date: 1974-07-28
Runtime: 25 min
Overview: To cure Clara, Heidi returns to the park to gather sunshine, butterflies, and flowers, which improves her condition.

Goodbye, Grandmother (Episode 31)
Air date: 1974-08-04
Runtime: 25 min
Overview: Grandmother leaves after a mock wedding party, returning Heidi to her dreary city life.

A Stormy Night (Episode 32)
Air date: 1974-08-11
Runtime: 25 min
Overview: Heidi is torn between wanting to leave her confined situation and not abandoning lonely Clara, when a nightly ghost appears in the Sesemann mansion.

Ghost Commotion (Episode 33)
Air date: 1974-08-18
Runtime: 25 min
Overview: Everyone is frightened by the ghost, but no one realizes it is Heidi sleepwalking, stressed and longing for the Alps. The doctor discovers this and convinces Mr. Sesemann and Clara, resolving the situation.

To My Dear Mountains (Episode 34)
Air date: 1974-08-25
Runtime: 25 min
Overview: Heidi returns to the Alps and is reunited with her grandfather, wearing the same clothes she had when she was five.

The Starry Sky of the Alps (Episode 35)
Air date: 1974-09-01
Runtime: 25 min
Overview: Heidi relives all the experiences she missed while in Frankfurt.

And to the Pastures (Episode 36)
Air date: 1974-09-08
Runtime: 25 min
Overview: Heidi spends an adventure-filled day with Peter and the goats, including discovering a new mountain-top lake.

The Baby Goat (Episode 37)
Air date: 1974-09-15
Runtime: 25 min
Overview: Heidi begins writing letters to Clara and reading hymn books to Peter’s grandmother. Alm-Uncle decides to repair a rundown house in Dorfli so Heidi can conveniently attend school in winter.

In a New House (Episode 38)
Air date: 1974-09-22
Runtime: 25 min
Overview: On the first day of winter school, Peter does not attend as he is running an errand for a Dorfli resident.

Don't Give Up, Peter (Episode 39)
Air date: 1974-09-29
Runtime: 25 min
Overview: During a sled race, Peter competes using his carpentry skills and finishes jointly in first place, splitting the prize.

I Want to Go to the Alps (Episode 40)
Air date: 1974-10-06
Runtime: 25 min
Overview: Clara insists on visiting the Alps to see Heidi. Mr. Sesemann arranges for a doctor to evaluate whether the Alps are suitable for Clara’s health.

The Doctor's Promise (Episode 41)
Air date: 1974-10-13
Runtime: 25 min
Overview: The doctor visits the Alps. Heidi shows him the mountains, and although he doubts the terrain is suitable for Clara, he is persuaded by her plea.

Reunion With Clara (Episode 42)
Air date: 1974-10-20
Runtime: 25 min
Overview: Heidi prepares the Dorfli winter home for Clara, who receives a warm welcome.

Clara's Wish (Episode 43)
Air date: 1974-10-27
Runtime: 24 min
Overview: Clara is enchanted by the mountainside and wishes to stay in Heidi’s hut. Her wish is granted, much to Rottenmeier’s annoyance.

A Little Plan (Episode 44)
Air date: 1974-11-03
Runtime: 25 min
Overview: After skipping lessons and enjoying the mountain soil, Clara asks Heidi for mountain flowers. Together, they plan a picnic on the mountain.

Children of the Mountain (Episode 45)
Air date: 1974-11-10
Runtime: 24 min
Overview: Peter tries to carry Clara up the mountain using his spare pants, but it is too strenuous for him, so he looks for alternatives.

Clara's Happiness (Episode 46)
Air date: 1974-11-17
Runtime: 25 min
Overview: Clara enjoys her days in the mountains with Heidi and Peter, braving a mountain shower and reading to Peter’s blind grandmother.

Hello, Grandmother (Episode 47)
Air date: 1974-11-24
Runtime: 25 min
Overview: Clara’s grandmother visits and immediately sends Rottenmeier away, enjoying time with Heidi and Clara.

A Small Hope (Episode 48)
Air date: 1974-12-01
Runtime: 25 min
Overview: Clara shows promising signs of standing up, though not fully consciously. Her grandmother takes her to Heidi’s lake to encourage her.

A Promise (Episode 49)
Air date: 1974-12-08
Runtime: 25 min
Overview: Clara practices standing with Heidi’s help, though she remains uncertain. During the farewell party of Clara’s grandmother, school friends join the celebration, motivating Clara.

Try to Stand (Episode 50)
Air date: 1974-12-15
Runtime: 25 min
Overview: Clara attempts to stand using handrails, encouraged by Heidi.

Clara Walks (Episode 51)
Air date: 1974-12-22
Runtime: 25 min
Overview: Clara starts walking properly, surprising her father, Mr. Sesemann.

Until We Meet Again (Episode 52)
Air date: 1974-12-29
Runtime: 25 min
Overview: Clara leaves for treatment at Bad Ragaz. Heidi wonders when they will meet again to enjoy the Alps together.
