The Battle of Richmond, March 20, 1865: Captured by Confederate forces, the group escapes their captors and flees in a helium balloon. Rising into...

Herbert and Neb find Captain Harding alive in the cave but he has no memory of how he got there, only of slipping below the waves after jumping from...

Following an earthquake, the group decides to seek shelter further inland. When a landslide strikes, Gideon becomes trapped beneath some large...

Neb is rescued when a vine is lowered to him, although when Captain Harding and Herbert arrive, both deny being responsible. For Harding, it is...

Jack leaps into the water to rescue his son from the unseen menace and they swim to the safety of the shore where Gideon has found a bottle. Back at...

While the castaways grieve for Neb, Nemo revives him and puts him into suspended animation storage. Pencroft's jealousy leads him to hunt down...

Pirate Captain Cutler and three of his crew come to the island to collect their buried treasure and seek revenge on Ayrton, whose dark past is...

Joanna stumbles into an underwater trap set by Nemo and the others race to free her. Shortly thereafter, Captain Cutler, sole survivor of his ship's...

Harding dives into Nemo's lair beneath the lake and is trapped in a chamber. Gideon is awakened by an intruder.

A tribe of native Islanders arrive on the island in search of Nui, a young native girl they believe has special significance.

Nemo observes Harding's feelings about Joanna, manifested in romantic dreams, as part of his research into the workings of the human mind. Meanwhile,...

Nemo intercepts a canoe and brings a wise old native woman to the island as a culture clash experience, but finds himself face to face with a...

Nemo fulfills a promise to Katira to bring the rest of her people to the island, then watches with glee as the natives take over Granite House and...

A tattooed native man arrives on the island telling the castaways that he is on a spiritual quest. Nemo is delighted when his presence has a...

Herbert realizes that it is his birthday, but decides to keep it a secret. He is angry because he thinks Joanna has forgotten, and while she prepares...

When pirates bring two women to the island, Nemo uses the situation to study human mating habits. The women, meanwhile, set their sights on Gideon...

Joanna argues with Herbert after a dream about a baby, and leaves the Granite House, headed for Ayrton's cabin. She has an accident on the way there,...

Nemo's hidden camera in Granite House breaks down, so he disguises himself as a shipwrecked Englishman in order to gain admittance into the house to...

A series of accidents leads Harding to come face to face with the mysterious phantom, and he struggles with how to share the shocking truth.

The castaways share their experiences with the phantom and realize he may be their only hope of escaping the island.

Nemo reveals to Harding that his need to complete his experiment is greater than his desire to help the castaways off the island, and Harding is...

Harding carries out his part of the deal with Nemo, and the other castaways are enraged, moving from the Granite House into a makeshift hut on the...

Harding carries out his part of the deal with Nemo, and the other castaways are enraged, moving from the Granite House into a makeshift hut on the...