Las aventuras de Heidi comienzan cuando la niña es enviada a vivir con su abuelito, un viejo gruñón que vive en los Alpes suizos. Poco a poco, el anciano le va cogiendo cariño a su nieta, que vive innumerables aventuras con sus amigos, Pedro y Clara, el perro Niebla y la pequeña cabra Copito de Nieve.
Heidi (Temporada 1)

To the Alps (Episodio 1)
Fecha de emisión: 1974-01-06
Duración: 25 min
Sinopsis: Heidi is taken to her grandfather's house by her Aunt Dete.

Grandfather's Cabin (Episodio 2)
Fecha de emisión: 1974-01-13
Duración: 25 min
Sinopsis: Heidi joyfully gets accustomed to her new surroundings.

The Mountain Pasture (Episodio 3)
Fecha de emisión: 1974-01-20
Duración: 25 min
Sinopsis: Heidi goes with Peter, the local goatherd, to the pastures and enjoys a day of fun-filled picnic there.

Another Member in the Family (Episodio 4)
Fecha de emisión: 1974-01-27
Duración: 25 min
Sinopsis: 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 (Episodio 5)
Fecha de emisión: 1974-02-03
Duración: 25 min
Sinopsis: 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 (Episodio 6)
Fecha de emisión: 1974-02-10
Duración: 25 min
Sinopsis: 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 (Episodio 7)
Fecha de emisión: 1974-02-17
Duración: 25 min
Sinopsis: 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? (Episodio 8)
Fecha de emisión: 1974-02-24
Duración: 25 min
Sinopsis: 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 (Episodio 9)
Fecha de emisión: 1974-03-03
Duración: 25 min
Sinopsis: 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 (Episodio 10)
Fecha de emisión: 1974-03-10
Duración: 25 min
Sinopsis: 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 (Episodio 11)
Fecha de emisión: 1974-03-17
Duración: 25 min
Sinopsis: 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 (Episodio 12)
Fecha de emisión: 1974-03-24
Duración: 25 min
Sinopsis: 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 (Episodio 13)
Fecha de emisión: 1974-03-31
Duración: 25 min
Sinopsis: 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 (Episodio 14)
Fecha de emisión: 1974-04-07
Duración: 25 min
Sinopsis: 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 (Episodio 15)
Fecha de emisión: 1974-04-14
Duración: 25 min
Sinopsis: Mr. Strahl, the owner of Snowflake, is convinced not to slaughter the goat after Heidi demonstrates its increased milk yield.

The Village of Dorfli (Episodio 16)
Fecha de emisión: 1974-04-21
Duración: 25 min
Sinopsis: Heidi visits Dorfli to check on Snowflake. On returning, she talks to Alm-Uncle about going to school, but he flatly refuses.

Two Guests (Episodio 17)
Fecha de emisión: 1974-04-28
Duración: 25 min
Sinopsis: 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 (Episodio 18)
Fecha de emisión: 1974-05-05
Duración: 25 min
Sinopsis: 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 (Episodio 19)
Fecha de emisión: 1974-05-12
Duración: 25 min
Sinopsis: 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 (Episodio 20)
Fecha de emisión: 1974-05-19
Duración: 25 min
Sinopsis: 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 (Episodio 21)
Fecha de emisión: 1974-05-26
Duración: 25 min
Sinopsis: During lessons and punishments, Heidi empathizes with Clara’s condition through her pet caged bird, which Clara also owns.

The Distant Alps (Episodio 22)
Fecha de emisión: 1974-06-02
Duración: 25 min
Sinopsis: Heidi, avoiding Rottenmeier's gaze, explores the city but finds only a dreary urban landscape.

A Big Uproar (Episodio 23)
Fecha de emisión: 1974-06-09
Duración: 25 min
Sinopsis: 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 (Episodio 24)
Fecha de emisión: 1974-06-16
Duración: 25 min
Sinopsis: 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 (Episodio 25)
Fecha de emisión: 1974-06-23
Duración: 25 min
Sinopsis: 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 (Episodio 26)
Fecha de emisión: 1974-06-30
Duración: 25 min
Sinopsis: 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 (Episodio 27)
Fecha de emisión: 1974-07-07
Duración: 25 min
Sinopsis: 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 (Episodio 28)
Fecha de emisión: 1974-07-14
Duración: 25 min
Sinopsis: 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 (Episodio 29)
Fecha de emisión: 1974-07-21
Duración: 25 min
Sinopsis: After a day at the park, Clara falls ill.

I Want to Catch the Sun (Episodio 30)
Fecha de emisión: 1974-07-28
Duración: 25 min
Sinopsis: To cure Clara, Heidi returns to the park to gather sunshine, butterflies, and flowers, which improves her condition.

Goodbye, Grandmother (Episodio 31)
Fecha de emisión: 1974-08-04
Duración: 25 min
Sinopsis: Grandmother leaves after a mock wedding party, returning Heidi to her dreary city life.

A Stormy Night (Episodio 32)
Fecha de emisión: 1974-08-11
Duración: 25 min
Sinopsis: 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 (Episodio 33)
Fecha de emisión: 1974-08-18
Duración: 25 min
Sinopsis: 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 (Episodio 34)
Fecha de emisión: 1974-08-25
Duración: 25 min
Sinopsis: 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 (Episodio 35)
Fecha de emisión: 1974-09-01
Duración: 25 min
Sinopsis: Heidi relives all the experiences she missed while in Frankfurt.

And to the Pastures (Episodio 36)
Fecha de emisión: 1974-09-08
Duración: 25 min
Sinopsis: Heidi spends an adventure-filled day with Peter and the goats, including discovering a new mountain-top lake.

The Baby Goat (Episodio 37)
Fecha de emisión: 1974-09-15
Duración: 25 min
Sinopsis: 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 (Episodio 38)
Fecha de emisión: 1974-09-22
Duración: 25 min
Sinopsis: 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 (Episodio 39)
Fecha de emisión: 1974-09-29
Duración: 25 min
Sinopsis: 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 (Episodio 40)
Fecha de emisión: 1974-10-06
Duración: 25 min
Sinopsis: 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 (Episodio 41)
Fecha de emisión: 1974-10-13
Duración: 25 min
Sinopsis: 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 (Episodio 42)
Fecha de emisión: 1974-10-20
Duración: 25 min
Sinopsis: Heidi prepares the Dorfli winter home for Clara, who receives a warm welcome.

Clara's Wish (Episodio 43)
Fecha de emisión: 1974-10-27
Duración: 24 min
Sinopsis: 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 (Episodio 44)
Fecha de emisión: 1974-11-03
Duración: 25 min
Sinopsis: 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 (Episodio 45)
Fecha de emisión: 1974-11-10
Duración: 24 min
Sinopsis: 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 (Episodio 46)
Fecha de emisión: 1974-11-17
Duración: 25 min
Sinopsis: Clara enjoys her days in the mountains with Heidi and Peter, braving a mountain shower and reading to Peter’s blind grandmother.

Hello, Grandmother (Episodio 47)
Fecha de emisión: 1974-11-24
Duración: 25 min
Sinopsis: Clara’s grandmother visits and immediately sends Rottenmeier away, enjoying time with Heidi and Clara.

A Small Hope (Episodio 48)
Fecha de emisión: 1974-12-01
Duración: 25 min
Sinopsis: Clara shows promising signs of standing up, though not fully consciously. Her grandmother takes her to Heidi’s lake to encourage her.

A Promise (Episodio 49)
Fecha de emisión: 1974-12-08
Duración: 25 min
Sinopsis: 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 (Episodio 50)
Fecha de emisión: 1974-12-15
Duración: 25 min
Sinopsis: Clara attempts to stand using handrails, encouraged by Heidi.

Clara Walks (Episodio 51)
Fecha de emisión: 1974-12-22
Duración: 25 min
Sinopsis: Clara starts walking properly, surprising her father, Mr. Sesemann.

Until We Meet Again (Episodio 52)
Fecha de emisión: 1974-12-29
Duración: 25 min
Sinopsis: Clara leaves for treatment at Bad Ragaz. Heidi wonders when they will meet again to enjoy the Alps together.
