S1E1 - The Arrival
In 1801, a family from Switzerland is shipwrecked on a deserted tropical island. All wash ashore safely except their younger son Franz, who is presumed dead.
Aug. 12, 1974, midnight
S1E2 - The Secret Of Shark Island
Franz steals away from the island in the family's outrigger canoe. He rows to a neighboring island and finds evidence that humans once lived there.
Aug. 19, 1974, midnight
S1E3 - The Mark Of Captain Keel
A deranged ex-pirate kidnaps Franz and Marie, in order to lure Father to his camp. He has mistaken Johann for Sir Henry Buckley, a famous buccaneer.
Aug. 26, 1974, midnight
S1E4 - The Curse Of The Idol
The family suffers a series of bad luck incidents after taking a carved wooden idol from an ancient stone mausoleum they discover on the island.
Sept. 2, 1974, midnight
S1E5 - The Animal Kingdom
The family's pet leopard, Ulysses, has grown too large and dangerous to keep around. But when Franz and Ernest release him deep in the island's jungle, they find he is too domesticated to survive on his own.
Sept. 9, 1974, midnight
S1E6 - Bruno
A dog from the ship turns up on the island and appears to be wild. Franz and johann disagree with what to do about the animal.
Sept. 16, 1974, midnight
S1E7 - Attack Of The Cat
Marie finds a panther's kitten in the jungle and brings it home. The kitten's angry mother attacks Ernest in revenge.
Sept. 23, 1974, midnight
S1E8 - Lost At Sea
Ernest builds a boat from salvaged shipwreck timber and sets off to the open seas, in hopes of finding help for his stranded family. But he unfortunately loses his compass and becomes lost at sea.
Sept. 30, 1974, midnight
S1E9 - A Time To Live And A Time To Die
Ernest finds a pregnant wild goat in the jungle and brings her back to the treehouse. Marie is eager to witness the upcoming birth, but Mother worries that something will go wrong.
Oct. 7, 1974, midnight
S1E10 - Cave Of The Tiger
A rockslide traps papa and Franz in a cave with the tiger that they were tracking.
Oct. 14, 1974, midnight
S1E11 - Dead Man's Gold
Franz and Ernest find an abandoned pirate camp while exploring the island. Franz also finds a treasure map at the camp, and becomes obsessed with finding the treasure, while neglecting his usual duties.
Oct. 21, 1974, midnight
S1E12 - Terror On South Island
Traveling to South Island to investigation a signal, the Robinson family discover a skeleton in a cave. Ernest is injured from a fall. But the real Terror was yet to be revealed as Soldier Ants were swarming towards them.
Oct. 28, 1974, midnight
S1E13 - The Visitor
Ernest and Franz rescue a castaway they find floating offshore on a couple of barrels. The castaway says he has a map of the island, and insists that there is a settlement beyond the waterfalls.
Nov. 4, 1974, midnight
S1E14 - Nature's Child
While hiding Marie's birthday gift Franz and Earnest stumble upon a wild girl and her pet leopard.
Nov. 11, 1974, midnight
S1E15 - Return From Paradise
Once again, Ernest encounters the mysterious young girl, the child of nature, who shares the family's island.
Nov. 18, 1974, midnight
S1E16 - Skeleton Clue
Johann cancels lessons when Ernest, Franz and Marie complain that school is useless on the island. But when Johann tells them they can have two days to do whatever they want, they find out that math and science can be useful after all.
Nov. 25, 1974, midnight
S1E17 - Somewhere On This Earth
Ernest, Franz and Marie hike to the north side of the island to search for a wedding anniversary present for their parents. They find a chest from their shipwreck which may contain a valuable artifact.
Dec. 2, 1974, midnight
S1E18 - Rescue!
The Robinsons are overjoyed when a British warship finds the island and the sailors come ashore. But the captain says he cannot take them aboard.
Dec. 9, 1974, midnight
S1E19 - Second Honeymoon
The Robinson children decide to camp in the caves for a few days so their parents can have some romantic privacy at the treehouse.
Dec. 16, 1974, midnight
S1E20 - Deadly Feast
Mother prepares an oyster stew for the family, but they're inedible. As she's tasting the meal while cooking, she consumes enough poison to collapse and fall into a coma.
Dec. 23, 1974, midnight
S1E21 - The Intruder
A meteorite lands close to the Robinsons's treehouse home and brings an alien substance that almost drives the family from their island.
Dec. 30, 1974, midnight
S1E22 - The Weakest Link
Ernest learns a lesson about dependence when his thoughtlessness almost brings disaster to the rest of the Robinsons.
Jan. 6, 1975, midnight
S1E23 - Monsoon
Marie becomes lost and disoriented after being swept up in a dangerous monsoon. Johann goes out to look for her.
Jan. 13, 1975, midnight
S1E24 - The Castaway
Franz tells his family how he managed to survive the first few days on the island when he thought he had been the only one who reached shore.
Jan. 20, 1975, midnight
S1E25 - Rogue
An old bear roams out of the wilderness and makes his last stand in the Robinsons's compound.
Jan. 27, 1975, midnight
S1E26 - Disappearance
When mama and papa are caught in a storm while fishing in a boat, the children must fend for themselves.
Feb. 3, 1975, midnight