The BEST Episodes of Thunderbirds Are Go!

Every episode ever - ranked by fan votes!

Last Updated: Jul 4, 2020

Network: CITV

In the 21st century Jeff Tracy creates a unique emergency response team: International Rescue. Equipped with special vehicles that enable the organization to react to any crisis, whether it be anywhere on earth or in space. Jeff's five sons operate the Thunderbirds 1 to 5 with help from engineer Brains and Kayo the pilot of Thunderbird Shadow. Lady Penelope and chauffeur Parker are the hands on intelligence team on the ground. Together they save anyone in need, while trying to find and capture the terrorist know as the Hood.

Clean Sweep

#1 - Clean Sweep

Season 2 - Episode 19 - Aired Nov 4, 2017

When an atmospheric cleaning machine malfunctions, trapping the maintenance crew inside, Parker must square off with a figure from his misspent youth.

star 8.85
66 votes
Directors: Theo Baynton
Writers: David Baddiel
The Long Reach (1)

#2 - The Long Reach (1)

Season 3 - Episode 25 - Aired Feb 15, 2020

International Rescue attempt their most difficult mission ever while defending Tracy Island from a dangerous assault.

star 8.73
15 votes
Crash Course

#3 - Crash Course

Season 3 - Episode 8 - Aired May 19, 2018

When two space freighters crash in low-earth orbit, Alan and John must evacuate the hotheaded pilots from a dangerous debris field.

star 8.73
66 votes
Ring of Fire (2)

#4 - Ring of Fire (2)

Season 1 - Episode 2 - Aired Apr 4, 2015

As the team continue their quest to save the researched, Lady Penelope is on the trail of their adversary.

star 8.41
179 votes
Directors: David Scott
Writers: Rob Hoegee
SOS (2)

#5 - SOS (2)

Season 3 - Episode 13 - Aired Jun 8, 2019

Gordon travels in Thunderbird 4 to recover Braman but discovers that the Chaos Crew have gotten to the robot first. An underwater battle ensues and both Thunderbird 4 and Gordon are harmed.

star 8.32
25 votes

#6 - Icarus

Season 3 - Episode 20 - Aired Jan 11, 2020

The Tracys attend the Global Air Show, and a test pilot unveils the ultra-fast `Icarus' superjet.

star 8.25
20 votes

#7 - Legacy

Season 1 - Episode 26 - Aired Jan 23, 2016

A number of carefully staged disasters require the full attention of everyone at International Rescue. Kayo discovers that the Hood is behind these acts of terrorism and has actually infiltrated Tracy Island. To make matters worse, the Hood has rigged up explosive devices to bring down the Thunderbird craft - and now he reveals his shocking secret to the Tracy brothers.

star 8.24
118 votes
Directors: David Scott
Writers: Rob Hoegee
The Long Reach (2)

#8 - The Long Reach (2)

Season 3 - Episode 26 - Aired Feb 22, 2020

As the surprise attack on Tracy Island continues, the Thunderbirds are being slowly overwhelmed by an army of their enemies. Can anyone out there come to the rescue of International Rescue - and will there be anything left to save, if they do so?

star 8.20
20 votes
Chain Reaction

#9 - Chain Reaction

Season 3 - Episode 16 - Aired Jun 29, 2019

A young GDF guard gets trapped inside a radioactive, and possibly haunted, nuclear facility. Scott goes in to assist, with help from GDF Lieutenant Marion Van Arkle.

star 8.13
23 votes
Signals (1)

#10 - Signals (1)

Season 3 - Episode 14 - Aired Jun 15, 2019

Through the use of archive footage, Brains informs the team of a discovery, but in order to gather more information, our heroes split into groups and search for an escape pod missing since Jeff Tracy's crash.

star 8.12
26 votes
Comet Chasers

#11 - Comet Chasers

Season 1 - Episode 21 - Aired Dec 19, 2015

It is 2060 and once again Halley's Comet is passing close to Earth. A businessman and his personal assistant fly up to chase the comet but end up sending out a distress call. Alan and Scott have to rescue them in Thunderbird 3.

star 8.08
120 votes
Directors: David Scott
Writers: Randolph Heard
Signals (2)

#12 - Signals (2)

Season 3 - Episode 15 - Aired Jun 22, 2019

The chase is on and Kayo and Alan work quickly to re-capture Thunderbird 3 from Havoc. Meanwhile, Scott's efforts to extract the escape pod run into additional complications.

star 8.00
23 votes

#13 - Undercover

Season 1 - Episode 25 - Aired Jan 16, 2016

An undercover sting operation involving Lady Penelope, Kayo and a heavily disguised Parker gets blown prematurely by the GDF and Parker is taken prisoner by the panicking thief Banino. Banino takes off in a stolen GDF flyer with Kayo in pursuit in Thunderbird Shadow. It all ends in a crash landing in a factory - and International Rescue intervene. Scott, in Thunderbird 1, rescues one of the factory workers and Lady Penelope saves Parker. Kayo goes after Banino - but finds herself being blackmailed.

star 7.92
118 votes
Directors: Tim Gaul
Writers: Benjamin Townsend
Break Out

#14 - Break Out

Season 3 - Episode 21 - Aired Jan 18, 2020

In order to build a T-drive engine for the Zero-X, Brains needs help from the Mechanic. The trouble is, the Mechanic is locked inside a space prison known as the Hex.

star 7.91
22 votes
Heavy Metal

#15 - Heavy Metal

Season 1 - Episode 13 - Aired Jun 20, 2015

Brains and Alan are on a visit to the Supreme Hadron Collider when a satellite begins to fall straight towards them. They are rescued in the nick of time by the arrival of Virgil in Thunderbird 2. Examining the evidence, the team decide that the malfunction was caused by a gravity well instigated by the collider itself. Things get even stickier when a commercial jet is caught in the pull of the gravity well and is in imminent danger of crashing. Can International Rescue shut down the collider in time to save the plane and its passengers?

star 7.90
166 votes
Directors: Theo Baynton
Writers: Benjamin Townsend
Tunnels of Time

#16 - Tunnels of Time

Season 1 - Episode 10 - Aired May 24, 2015

Lady Penelope, Parker and Gordon visit the Amazon desert, where an archaeologist shows them round an ancient temple. When they all become trapped inside, the academic refuses to let them call for help, fearing for his reputation - so the trio of heroes must put their wits to the task of finding an escape route.

star 7.88
194 votes
Directors: Theo Baynton
Writers: Dan Berlinka
Falling Skies

#17 - Falling Skies

Season 1 - Episode 14 - Aired Oct 31, 2015

Brains has invented a self-constructing luxury hotel which orbits around Earth. Unfortunately for its guests, the luxurious hotel in space begins to malfunction and the International Rescue team have to step in to avert a major disaster.

star 7.86
132 votes
Directors: Theo Baynton
Writers: Rob Hoegee

#18 - Skyhook

Season 1 - Episode 11 - Aired Jun 6, 2015

International Rescue scrambles all the flight-capable Thunderbirds to rescue the crew of CIR.R.U.S, a high-atmosphere weather station, now in danger due to the arrival of a fierce storm. TB1, TB2 and TB3 are quickly crippled by the conditions, and the only hope of salvaging the mission lies with TB5 - and John's ability to mount his most daring rescue ever.

star 7.86
163 votes
Directors: David Scott
Writers: Paul Giacoppo
Designated Driver

#19 - Designated Driver

Season 1 - Episode 22 - Aired Dec 26, 2015

Parker gives Alan driving lessons at the Creighton-‐Ward estate in FAB0 while Lady Penelope has tea with her great aunt Sylvia. Progress is slow until a pair of bumbling intruders attempt to kidnap the ladies. FAB1 is the only vehicle that can reach them in time. Parker is injured and cannot drive so Alan has to conquer his fear and rescue them.

star 7.85
116 votes
Directors: David Scott
Writers: David Baddiel
Under Pressure

#20 - Under Pressure

Season 1 - Episode 12 - Aired Jun 13, 2015

A heavy metal extraction platform carrying toxic waste at the bottom of the ocean is in trouble. Gordon rushes in with Thunderbird 4 when a fire on board the rolling factory damages its steering capabilities. With the help of Lady Penelope and Parker on the surface, Gordon must rescue platform operator Ned Tedford and prevent the rig from spilling its waste.

star 7.83
161 votes
Directors: David Scott
Writers: Danny Stack

#21 - EOS

Season 1 - Episode 8 - Aired May 16, 2015

A series of cascading equipment failures leads John to realise that rogue A.I. has gained control of Thunderbird 5. The programme is sending false monitor images to Tracy Island to deceive the other brothers. John finally gets through to Lady Penelope and informs her of the situation. Once the other brothers figure out what is going on, Alan is despatched in Thunderbird 3 to rescue John.

star 7.83
168 votes
Directors: Theo Baynton
Writers: Ken Pontiac

#22 - Slingshot

Season 1 - Episode 9 - Aired May 23, 2015

A malfunction at a mining operation sends an asteroid careening towards the sun, endangering crewman Ned Tedford. Alan and Kayo deploy Thunderbird 3 for the rescue mission, but a rogue solar flare knocks out their sensors. They land near the mine, and must find a way to alter the asteroid's trajectory so that it slingshots around the sun instead of crashing into it.

star 7.81
170 votes
Directors: David Scott
Writers: Rob Hoegee
Buried Treasure

#23 - Buried Treasure

Season 3 - Episode 22 - Aired Jan 25, 2020

An urban explorer gets trapped in an underground trash mine.

star 7.79
19 votes

#24 - Breakdown

Season 1 - Episode 16 - Aired Nov 14, 2015

Virgil and Brains attempts to rescue a mining crew trapped inside a glacier, but the scientist in charge of the project refuses to leave.

star 7.79
154 votes
Directors: David Scott
Writers: Benjamin Townsend

#25 - Fireflash

Season 1 - Episode 5 - Aired Apr 25, 2015

Kayo is riding aboard Fireflash, a supersonic airliner invented by Brains, but she is unaware that its controls have been tampered with. International Rescue notices the plane has vanished from their monitors and attempt to locate it. Kayo realises that the plane is flying in the wrong direction, and manages to avoid a powerful gas attack that has knocked out both passengers and crew.

star 7.78
200 votes
Directors: David Scott
Writers: Andrew Robinson