S3 E1 • Secret Weapon, Part 1: Found and Lost

Prof. Cawston discovers that a gypsy boy named Tyso is about to break-out, and arranges to show him to the military. While attempting to contact Tyso, Stephen sees through his eyes, and recognises Cawston. He jaunts to the professor's office, but he refuses to help. Later, at the demonstration, Tyso�s powers are watched by Col. Masters and Tricia Conway. Prof. Cawston subsequently contacts the Tomorrow People, telling them that Tyso had disappeared. John, Stephen and Elizabeth jaunt to Tyso's caravan, where they are told by Tyso�s mother that his father had sold him to Col. Masters. The trio then arrive at Cawston's office, where the professor tells them that the colonel wanted him to join his research group. However, Trish, a telepath, has read the professor's mind and warned Masters about Stephen and Elizabeth. John realises that they must find Tyso within two to three days, otherwise the strain of breaking-out will kill him.

Première diffusion : 26 février 1975

S3 E2 • Secret Weapon, Part 2: Not Quite a Sleeping Beauty

Prof. Cawston arranges for Stephen to demonstrate his abilities to Col. Masters and Tricia, but the latter is aware that Stephen is deliberately making mistakes. Stephen goes undercover at a hostel planning to allow Col. Masters to kidnap him. Despite knowing that it is a set-up, Tricia and Masters take the Stephen, injecting him with a drug to render him unconscious, and the professor. Back at the research centre, Prof. Cawston is shown Tyso and Stephen connected to life support machines and drugged by Synaptol. The professor is tasked with reviving them, while preventing them from jaunting. Tricia takes an unconscious Prof. Cawston back to his office, planting bugs and a video camera on him before he awakes. The professor comes to and calls John and Elizabeth, telling them that he has found Stephen and Tyso.

Première diffusion : 5 mars 1975

S3 E3 • Secret Weapon, Part 3: Whose Side Are You On, Professor?

Elizabeth jaunts to Prof. Cawston's office, watched by Col. Masters and Tricia. She gives the professor a ring with a homing device in it, but he is kidnapped by Masters before he can use it. When John and Elizabeth investigate, they narrowly escape an explosion, as the colonel has set the ring to self-destruct. Cawston is hypnotised and interrogated by the colonel, and reveals information about the Tomorrow People. Col. Masters wakes Tyso and tells him to contact the Tomorrow People telepathically. John and Elizabeth arrive at Col. Master's office in the Experimental Weapons Establishment, and stun him and Tricia. Cawston shows them where the antidote for the Synaptrol is, but Tricia comes round and hits them all with the drug. John manages to jaunt to the Lab, but then collapses. Col. Masters revives Elizabeth, and tells her to help them or Stephen and Tyso will die.

Première diffusion : 12 mars 1975

S3 E4 • Secret Weapon, Part 4: A Present from Russia

Chris arrives at the Lab and uses the antidote to revive John. While Elizabeth is forced to demonstrate her powers to Col. Masters and Tricia, John and Chris kidnap the Prime Minister and take him back to the Lab. Elizabeth is told by Masters to jaunt to Moscow and buy a Russian doll. Doing so, she jaunts to the Lab, where John opens the doll to find a mind control device. The Prime Minister destroys the device, and Elizabeth returns to Master's office. When he discovers that the device is missing, Masters threatens to turn off the life support machines, but he receives a phone call ordering him to release all the Tomorrow People. Tyso begins to break-out, and is taken to the Lab. John tells Tricia that she is a potential Tomorrow Person, and that it isn�t too late for her to join them.

Première diffusion : 19 mars 1975

S3 E5 • Worlds Away, Part 1: Secret of the Pyramid

Ambassador Timus Irnok Mosta visits the Tomorrow People in their Lab, and asks for their help. He takes John and Elizabeth to the Great Pyramid of Chaeops in Egypt, and tells them that the pyramids were built by the alien Kulthan. Hidden behind a secret panel is a Psi-Damping transmitter, used to prevent telepathic abilities operating on Earth. Timus asks the Tomorrow People to travel the planet Peeri, to deactivate the Psi Damping Transmitter there, and to persuade the Kulthan to leave. Unlike standard Galactic Agents, the Tomorrow People are not reliant on their telepathic powers, and are perfect for the mission. Arriving on Peerri, John, Stephen, Elizabeth and Tyso set up base in a cave used by Tikno, one of Mosta�s clone brothers. They rescue a girl, Lenda, from a hunt, but Tyso gets his foot stuck in a man-trap, and some hunters approach.

Première diffusion : 26 mars 1975

S3 E6 • Worlds Away, Part 2: Hound of the Night

Tyso is about to be caught by the hunters, when a Kulthan appears and frightens them away, enabling Tyso to escape. Stephen finds Tyso and carries him back to the hideout, but the Kulthan reappears. Stephen stuns the creatures with his stun-gun, but they discover that the Kulthan is Tikno in disguise. Tikno explains that the hunt is to capture Vesh, and is organised by the Veshtaker. When captured, the Vesh are burned on top of high towers, and the Kulthan then use a matter transporter to take the Vesh to their space-station. John, Stephen and Tikno set off for the pyramid where the Psi-Damping Transmitter is located, but are followed by Arkron, a Vesh Warrior. Arkron returns with Vanyon, his leader, and other warriors, and they shoot John, Stephen and Tikno with crossbows.

Première diffusion : 2 avril 1975

S3 E7 • Worlds Away, Part 3: More for the Burning

John, Stephen and Tikno regain consciousness as the Vesh Warriors return, and Tikno convinces Vanyon that they are friendly and want to defeat the Kulthan. They decide to join forces and attack the Kulthan pyramid. Stephen and Arkron return to the hideout to tell Elizabeth what is happening, but find that everyone has been captured by the Veshtaker. As John, Tikno and the Vesh Warriors approach the pyramid they feel the effect of the Psi-Damping Transmitter, and hear a humming sound. The Veshtaker take Elizabeth, Tyso and Lenda to the top of the tallest tower, so that they can be scarificed. Stephen and Arkron journey to the Veshtaker's castle, but are captured before they can mount a rescue. John, Tikno and the Vesh Warriors attack the pyramid, while Stephen and Arkron are thrown into the dungeon. John and Tikno enter the secret passage in the pyramid, and John manages to destroy the Psi-Damping Transmitter, enabling Elizabeth, Tyso and Lenda to escape from the burning, and Stephen and Arkron to escape from the dungeon.

Première diffusion : 9 avril 1975

S3 E8 • A Man for Emily, Part 1: The Fastest Gun

A spaceship arrives in orbit around the Earth, containing the Momma, Emily and Elmer, members of a matriarchal society. Based on television signals, they believe that Earth is like a wild west film. Tim tracks the ship into orbit, and John and Elizabeth jaunt near to it to investigate. The Momma tells Elmer to go to Earth to get fresh food supplies. When the Ship stuns and captures Elizabeth, John jaunts back to the Lab. Elizabeth awakens, and is accepted as an equal by the Momma and Emily. On Earth, shoots a shopkeeper when he is collecting food. Tim intercepts police reports, and Stephen jaunts to the shop, using his telekinesis to heal the proprietor. Elmer finds a pub, treating it like a western saloon. Elizabeth discovers that Elmer must return to his place of arrival, where the doozlum pin is located; she also finds out that the Ship controls the people on board. John and Stephen jaunt to the pub, but are unable to transport Elmer away, and the police arrive.

Première diffusion : 16 avril 1975

S3 E9 • A Man for Emily, Part 2: Here We Go Round the Doozlum

John and Stephen jaunt back to the Lab as the police arrive. Elizabeth tells the Momma that Elmer has been put in jail, and she talks to the Ship; it tells her that if Elmer is not returned within one day the Earth will be destroyed. Elizabeth returns to the Lab, where John formulates a plan to break Elmer out of the police station. Tyso takes some bees into the police station, and everyone flees, enabling them to release Elmer. Elizabeth and Stephen take him to where they think the doozlum pin might be, but Stephen accidentally steps on it, and is transported back to the ship. He jaunts back to Earth with the doozlum pin, which Elmer uses, and then he and Elizabeth return to the Lab. John jaunts to the Ship to check that Elmer has got back safely, but Emily takes a liking to him, and he only just escapes. The Momma sends Elmer back to Earth, he instead goes to the pub and is arrested. The Momma contacts the Tomorrow People, demanding that they return Elmer, or the Earth would be destroyed.

Première diffusion : 23 avril 1975

S3 E10 • A Man for Emily, Part 3: Shotgun Wedding

John contacts the Prime Minister, who authorises Elmer�s release. John takes Elmer to the doozlum pin, but Elmer refuses to go back to the ship, instead sending John. The Momma and Emily celebrate John's arrival, fitting him with Tickling Boots. Meanwhile, Elmer is re-arrested, and Elizabeth asks for his custody. The Ship tells John that he is to be the pair-mate for Emily, and that his telepathic powers have been blocked. Elmer arrives at the Lab, and tells Elizabeth that his people live on the Ship for many generations, and that when the next generation is been born, the Momma eats the father. On the Ship John is forced to wait on Emily, but when she leaves the room, he jams the waste disposal hatch open, allowing the air to escape; he then tells the ship to remove his tickling boots. The ship informs him that their original home planet was destroyed by nuclear weapons; the ship was made to allow some to escape and search for a new planet. It has decided that no planet is suitable, and the search must continue. John persuades the ship to switch-off as the search has been completed, and then he pilots it to Earth. The Momma becomes a fish shopkeeper, Emily a landlady in a pub, and Elmer a traffic warden.

Première diffusion : 30 avril 1975

S3 E11 • The Revenge of Jedikiah, Part 1: Curse of the Mummy's Tomb

Jedikiah, a shape-changing android believed to have been destroyed, was rescued and sent to ancient Egypt by an alien race. He was placed in a tomb and remained there for 500 years until it was reopened by Professor Cawston and Professor Johnston. Freed Jedikiah has one thing on his mind: revenge on the Tomorrow People.

Première diffusion : 7 mai 1975

S3 E12 • The Revenge of Jedikiah, Part 2: Last Chance

Patricia Conway goes to Jedikiah thinking he is Stephen and asks him to go back to EWE and talk to Col. Masters about working for them. He agrees to go and kills Col. Masters leaving Patricia to think that Stephen has committed murder. She goes to see Professor Cawston to ask his help in finding Stephen. Meanwhile Jedikiah takes the shape of several different people including Patricia and Professor Cawston hoping they will lead him to the Tomorrow People. Liz and John are gunned down after jaunting in and surprising a EWE guard and placed in ICU.

Première diffusion : 14 mai 1975

S3 E13 • The Revenge of Jedikiah, Part 3: Farewell Performance

Finding Stephen and Tyso, Jedikiah forces them to lead him back to the Lab. He switches TIM off and places silencer bands on Stephen and Tyso to stop them from using their powers. Meanwhile Patricia starts to break out and teleports to the Lab, where she turns TIM back on. TIM has enough time to call the Timus of the Galactic Trig to help save the day.

Première diffusion : 21 mai 1975