E1 - Planet 46

Aired: October 28, 1962

After intercepting a missile on course for earth, Steve Zodiac and the crew of the XL5 travel to Planet 46 and discover the Subterrains who launch another missile at the earth with Venus trapped inside.

E2 - The Doomed Planet

Aired: November 04, 1962

The Fireball XL5 narrowly misses a planet that bas broken out of it's orbit and realize the planet is on a collision course for the planet Membrono. After concluding the planets are uninhabited, Steve realizes he saw a flying saucer and after the ship lands at Venus' house, the XL5 is lured back to save the planet Membrono from destruction.

E3 - Space Immigrants

Aired: November 11, 1962

Venus and Prof. Matic are about to set off in the Mayflower 3 to colonise the nearby planet, New Earth. But the Advance Scout has been kidnapped by two evil midgets who plan to hold the new immigrants captive.

E4 - Plant Man From Space

Aired: November 18, 1962

After a blackout at Space City, a missile gets through the radar blackout, and is heading towards Space City with a dangerous cargo...

E5 - Spy in Space

Aired: November 25, 1962

The crew of XL5 encounter Boris and Griselda the space pirates on the Companion 12 space station.

E6 - The Sun Temple

Aired: December 02, 1962

When experimenting with a new warhead in space, Steve Zodiac is forced to save Venus from the clutches from the sinister Cult of Miras before she can be sacrificed to their sun-god...

E7 - XL5 to H2O

Aired: December 09, 1962

Everyone on planet Zolpheid is killed in an Aquaphibian attack, except for Rald and Jerek. Receiving an SOS, Space City sends Fireball XL5 to rescue the two from Zolpheid's oceans.

E8 - Space Pirates

Aired: December 16, 1962

While babysitting Commander Zero's son, Jonathan, Venus tells him story about when Fireball XL5 encountered a group of space pirates.

E9 - Flying Zodiac

Aired: December 23, 1962

As Steve celebrates the anniversary of his family's circus act, Venus falls asleep and dreams of a plot devised by Mr and Mrs Space Spy and the nomadic Monadians to take over the Earth…

E10 - Space Pen

Aired: December 30, 1962

To capture a group on criminals, Steve, Matt and Venus pretend to steal XL5.

E11 - Space Monster

Aired: January 06, 1962

Fireball XL2 has crashed on Planet Monotane, and Fireball XL5 is sent to investigate, only to run into a sort of space dinosaur...

E12 - The Last of the Zanadus

Aired: January 13, 1963

Major Jim Ireland returns to Earth after 10 years in space, but unknown to everyone, he has become an agent for Kudos, the only survivor from the planet Zanadu, who wants revenge on all Lazoones for destroying his people.

E13 - Planet of Platonia

Aired: January 20, 1963

The Fireball XL5 foils an attempted bombing while transporting the King of Platonia and is caught in the middle of the plot to assassinate the King and sent two planets into war.

E14 - The Triads

Aired: January 27, 1963

After detecting a series of massive explosions in space, Steve and the crew of XL5 find a planet three times bigger than Earth, but they soon crash land...

E15 - Wings of Danger

Aired: February 03, 1963

On Planet 46, the Subterraineans plan revenge on Zodiac and send a robot bird to infect him with radium.

E16 - Convict in Space

Aired: February 10, 1963

After top secret plans are stolen from Earth, XL5 enocunters Boris and Griselda, but Matt is captured.

E17 - Space Vacation

Aired: February 17, 1963

Kernak, ruler of Kemple plots the resettlement of his people to Planet Olympus by poisoning Olympus' ruler's son. Venus and Matt are captured and must be rescued by Steve.

E18 - Flight to Danger

Aired: February 24, 1963

Lt. 90 qualifies for his astronauts wings by landing XL5 in one piece and then piloting XL1 off the launch rail, but on his return to Earth in a capsule, he finds it has caught fire!

E19 - Prisoner on The Lost Planet

Aired: March 03, 1963

Fireball XL5 recieves a distress call on a distant planet, and Steve Zodiac journeys to investigate.

E20 - The Forbidden Planet

Aired: March 10, 1963

At Space Observatory 1, Matt and Dr. Stamp work on a new Ultrascope space probe. However, the people of the planet the probe is sent to observe don't take too kindly to being watched and kidnap the scientists.

E21 - Robert to the Rescue

Aired: March 17, 1963

While stargazing, Prof. Matic discovers a new planet, but it doesn't read on any electronic instruments. Curious, Steve and the others set out in the XL5 to investigate, and find that the planet is more sinister than first thought...

E22 - Dangerous Cargo

Aired: March 24, 1963

On a survey of Pharos, the crew of XL5 disocver the planet is unstable and must be destroyed. After setting up bombs, someone traps Steve and the others in with it.

E23 - Mystery Of The TA2

Aired: March 31, 1963

Whilst on patrol, the XL5 comes across the wreck of an old spaceship. Setting out to investigate, they find it to be the TA2, that disappeared in the 2020's, and the hunt is on to find her pilot...

E24 - Drama At Space City

Aired: April 07, 1963

With Steve and Venus on vacation, Commander Zero is left to look after Zoonie the Lazoon, who causes havoc in Space City with Commander Zeros' son, Jonathan.

E25 - 1875

Aired: April 14, 1963

Matt completes his new time machine and sends Robert back to 1875, but Steve, Venus and Zero are accidently sent back as well.

E26 - The Granatoid Tanks

Aired: April 21, 1963

On Planet 73, two scientists working at a mineral research lab discover that they in the path of six tanks controlled by Granatoid robots. They can only be stopped using a rare material, but all the supplies have run out!

E27 - The Robot Freighter Mystery

Aired: April 28, 1963

Robot freighters are being sabotaged by a shoddy space salvage company, and Steve Zodiac is determined to find the proof he needs to bring the sleazy brothers to justice.

E28 - Whistle for Danger

Aired: May 05, 1963

On planet Floran, the crew of XL5 try to discover what is killing the plants there, however the native people believe they are an invasion force and drug their food.

E29 - Trial by Robot

Aired: May 12, 1963

A mechanics professor is giving a lecture on robotics at Space City. But barely a few days after his visit, Robert suddenly rebels and steals Fireball XL1! Steve and Venus follow him in the XL5, but find themselves prisoner of a robotic society, with Robert as their jailer.

E30 - A Day in the Life of a Space General

Aired: May 19, 1963

While drawing a schematic for a new radar screen, Lt. Ninety is surprised to find himself promoted to the rank of General!

E31 - Invasion Earth

Aired: May 26, 1963

There is a strange fog descending on Space City, blocking out communications with the rest of the outside world. But what does this strange cloud hide?

E32 - Faster Than Light

Aired: June 02, 1963

While on route to Space Station 9, Steve loses control of XL5. Racing out of control, XL5 passes the light barrier resulting in the loss of all but an hours worth of oxygen.

E33 - The Day the Earth Froze

Aired: June 09, 1963

XL27 makes an emergency landing at Space City and the crew are all found to be unconcious. XL27's route is traced back to planet Zavia where the inhabitants plan to freeze the Earth by deflecting the sun's rays.

E34 - The Fire Fighters

Aired: June 16, 1963

Blazing fireballs from a space cloud cause widespread damage on Earth. XL5 is sent to investigate but it catches fire and has to retreat. Steve proposes using an old satellite to detonate the cloud, but a fireball is heading directly to Space City.

E35 - Space City Special

Aired: June 23, 1963

General Rossiter comes to Space City to present Steve with the Astronaut of the Year award. XL5 and the ground staff put on a song and dance show to raise money for charity. Meanwhile Venus is put in danger aboard a new supersonic jet liner.

E36 - Ghosts Of Space

Aired: October 06, 1963

XL5 transports Geologist Frazer to Electron for a survey. When Frazer discovers a strange rock in a deserted town, he goes mad and threatens to destroy Fireball Junior, if Steve doesn't take the rocks back to Earth.

E37 - Hypnotic Sphere

Aired: October 13, 1963

The crew of the XL5 becomes entranced by a strange alien sphere and Robert is the only one who can save the crew.

E38 - Sabotage

Aired: October 20, 1963

On patrol, Fireball XL5 suddenly catches fire. The cause, sabotage! Commander Zero sends Light Patrol LP22 to investigate, but the XL5 crew have disappeared...

E39 - Space Magnet

Aired: October 27, 1963

The XL5 becomes caught in the gravitational pull of planet Megneton and discovers the plot by the Solars to bring the Earth's moon into their orbit.