M.I. High (2007–2014)

1. S01E01The Sinister Prime MinisterJanuary 8, 2007—The young spies are called upon to investigate when they hear that the normally peace-loving Prime Minister is on the verge of declaring Wor
2. S01E02The Big FreezeJanuary 8, 2007—The Grand Master, leader of the Secret Kriminal Underground League (S.K.U.L.) threatens to freeze the world unless everyone submits to his r
3. S01E03Eyes on the StarsJanuary 15, 2007—When zombies start ransacking music stores, MI9 suspects that a boy band named Crush is responsible, so Daisy again goes undercover to inves
4. S01E04The Power ThiefJanuary 22, 2007—Everyone is in the dark as freak power outages sweep Britain.
5. S01E05Nerd AlertJanuary 29, 2007—When a hacker called The Worm takes control of Britain's space defence system and leaves the country vulnerable to attack, Stewart must empl
6. S01E06Super BlaneFebruary 5, 2007—When a teen working for the CIA joins the team, Blane's jealousy causes him to take a crazy risk.
7. S01E07Spy AnimalsFebruary 12, 2007—A wannabe SKUL member, after overhearing an MI9 meeting, thinks that St. Hope's teachers are the agents and sends in bugged animals to spy o
8. S01E08Forever YoungFebruary 19, 2007—A former beautician's youth potion ends up turning the school's teens into toddlers.
9. S01E09Red Button RampageFebruary 26, 2007—When a teen scientist invents a method of disarming missiles that could make the army obsolete, he is kidnapped by a war-mongering general.
10. S01E10The FugitiveMarch 5, 2007—The teen spies defy their superiors to help an extraterrestrial fugitive.

Season 1 ranked & reviewed

1. S02E01It's a Kind of MagicJanuary 7, 2008—At an award ceremony for M.I. 9, the world's greatest illusionist makes the President of the United States disappear - permanently.
2. S02E02You Can Call Me AlJanuary 7, 2008—A bumbling inventor's Artificial Intelligence unit tries too hard to enforce the school rules.
3. S02E03Evil by DesignJanuary 14, 2008—When a fashion designer's green logo mysteriously begins appearing on kids' skin, Daisy and Rose go undercover to investigate the House of F
4. S02E04Fit UpJanuary 21, 2008—Britain's young people are laid low by a strange sleeping sickness.
5. S02E05Face OffJanuary 28, 2008—The team investigates when their schoolmate Lenny becomes the latest one arrested in a new wave of inexplicable crimes by previously honest
6. S02E06Big SisterFebruary 4, 2008—The high school spies become concerned when a Member of Parliament proposes sending misbehaving British children to a remote island.
7. S02E07The Cold WarFebruary 11, 2008—A new Cold War is in the making, but this time it's the Grandmaster's plan to give everyone the flu.
8. S02E08Nano NitsFebruary 18, 2008—It's Daisy's worst nightmare when a plague of head lice hits the school, and turns the kids into master criminals.
9. S02E09The OthersFebruary 25, 2008—The high school spies are amazed to discover that they have competition -- there is another team of young people working for MI9.
10. S02E10The Big BlingMarch 3, 2008—The world's most famous diamonds are being stolen, and the team suspects the captain of the all-England football team.
11. S02E11Spy PlaneMarch 10, 2008—A new invisible spy plane is stolen by a mysterious unknown pilot.
12. S02E12Green FingerMarch 17, 2008—Plants rise up and attack anti-green targets, so Blane goes into action.
13. S02E13Asteroid AttackMarch 24, 2008—The government is powerless to stop an asteroid that is hurtling through space toward the Earth. Looks like it's up to our heroes from MI-9

Season 2 ranked & reviewed

1. S03E01Art AttacksJanuary 5, 2009 8.0A different boss, Frank London, takes over the helm of the MI-9 team. At first, Rose is mistrustful of the two new spies, Oscar Cole and Car
2. S03E02The MoleJanuary 12, 2009 7.0A mysterious thief is tunneling into banks all over England. How can the spies figure out where he will strike next, when the prime suspect
3. S03E03Agent XJanuary 19, 2009—When Oscar's identity as a spy is revealed on the Internet, Rose and Carrie suspect that he is hiding something. But it may not matter, as t
4. S03E04Mind MachineJanuary 26, 2009—When students at St. Hope's start turning into Japanese fighting fish, the team suspect that someone is remotely using a mind transfer machi
5. S03E05Dark StarFebruary 2, 2009—An old enemy of Frank's breaks out of jail and with his gang comes to steal Frank's invention, the Dark Star, a device capable of instantly
6. S03E06Fit to WurstFebruary 9, 2009—The children at St.Hopes are getting fatter and fatter. They are adicted to Wursts. the team must stop the addiction and find out who is beh
7. S03E07The New Grand MasterFebruary 16, 2009—MI9 get a chance to catch the Grand Master, but the team's new gadgets are intercepted. But a dangerous gadget gets in to the hands of Scoop
8. S03E08Think TankFebruary 23, 2009—Rose has been selected for the National Academy of Brilliance! This is an opportunity like no other and naturally she's devastated. It means
9. S03E09Family TreesMarch 2, 2009—Katrina Houseman has arrived at MI High. She has been working on a top secret project: N80, a real life Neanderthal! She needs the spies' he
10. S03E10The GloveMarch 9, 2009—The country's power is disappearing at a rapid rate. The best brains in the UK convene to decide a plan of action. Britain's only hope is Ra
11. S03E11The VisitMarch 16, 2009—Carrie is set her most difficult mission yet. She has to exploit her friendship with fellow gymnast Lena Larsson to find out about the cruel
12. S03E12Operation FlopsyMarch 23, 2009—The spies put Flopsy up for ransom in exchange for Oscar's Mum. Surely, the Grand Master won't be able to resist and Oscar will finally be r
13. S03E13MoontakerMarch 30, 2009—A SKUL space probe has landed on the moon. MI9 suspects SKUL are using it to spy on the world. The spies must find out exactly what SKUL are

Season 3 ranked & reviewed

1. S04E01Run, Carrie Run!January 4, 2010—
2. S04E02The Bunny WhispererJanuary 4, 2010—
3. S04E03QuakermassJanuary 11, 2010—
4. S04E04Don't Cook NowJanuary 18, 2010—
5. S04E05Mrs King - License to SpyJanuary 18, 2010—
6. S04E06Return of the MummyJanuary 25, 2010—
7. S04E07DopplegangersFebruary 1, 2010—
8. S04E08High School Spy MovieFebruary 8, 2010—
9. S04E09Black HoleFebruary 15, 2010—
10. S04E10Three Spies and a BabyFebruary 22, 2010—
11. S04E11Millionaire FlatleyMarch 1, 2010—
12. S04E12SkuldiggeryMarch 8, 2010—
13. S04E13The OctopusMarch 15, 2010—The spies have a vital mission - they must protect a ship carrying the last component required to make a nuclear bomb. Other ships carrying

Season 4 ranked & reviewed

1. S05E01Vote SkulJanuary 10, 2011—
2. S05E02The B TeamJanuary 10, 2011—
3. S05E03GhostsJanuary 17, 2011—
4. S05E04Total EclipseJanuary 24, 2011—
5. S05E05The Gran MasterJanuary 31, 2011—
6. S05E06The PatientFebruary 7, 2011—
7. S05E07The Crystal of St. HelenaFebruary 14, 2011—
8. S05E08The WaspFebruary 21, 2011—
9. S05E09Bully ElliotFebruary 28, 2011—
10. S05E10Tim Brown's SKUL DaysMarch 7, 2011—
11. S05E11The First to CrackMarch 14, 2011—
12. S05E12Day of The JacketMarch 21, 2011—
13. S05E13The Lost HeroMarch 21, 2011—

Season 5 ranked & reviewed

1. S06E01The Fall of SKUL (Part 1)January 7, 2013—The old M.I. High team have graduated and spy handler, Frank London, is on the lookout for a new bunch of intrepid young secret agents to fa
2. S06E02Trojan KORPS (Part 2)January 7, 2013—Tempers flare and loyalties are tested when a series of embarrassing incidents threaten to bring down M.I.9. The team suspect a resurgent en
3. S06E03Grosse EncountersJanuary 14, 2013—A mysterious fireball crashes in the woods near St. Heart's. Believing it to be a U.F.O., curious students swarm the crash site which turns
4. S06E04The Face Of RevengeFebruary 25, 2013—Shunned by the pop world for not having superstar looks, embittered music mogul Cuthbert Peabody hijacks a new M.I.9 invention capable of ch
5. S06E05Mission: IncredibleJanuary 21, 2013—The team are given their first international assignment in the rogue state of Boldovia where the local secret service has developed a data m
6. S06E06The HiveJanuary 28, 2013—On a campaign to get kids eating more healthily and concentrate at school, St. Heart's is chosen by celebrity chef Jimmy Jubbly as a test be
7. S06E07Old SchoolFebruary 4, 2013—Out of sync with the times, an old-school spy infiltrates the St. Heart's spybase and hijacks an M.I.9 invention capable of upgrading M.I.9'
8. S06E08The GerminatorFebruary 11, 2013—Funded by KORPS, scientific genius Bobby Bleach has brought the country to its knees by releasing a plague of airborne supergerms which have
9. S06E09The Dark WizardFebruary 18, 2013—Top secret scientific components are being stolen by a thief dressed as a character from a best-selling series of fantasy novels. The team g
10. S06E10One Flew Over the Budgie's CageMarch 4, 2013—After being haunted by memories of a terrible decision which cost the lives of his entire team in the final battle with KORPS over ten years
11. S06E11Prison BreakMarch 11, 2013—Sent to Uttland on the pretense of being on a school trip, the team must break into the country's deepest, darkest prison to help a former K
12. S06E12InheritanceMarch 18, 2013—Briefed to protect Grand Duke Nicholas, the heir to the throne of a small European state who has had kidnap threats made against him, the te
13. S06E13The Final EndgameMarch 25, 2013—Pieces of the jigsaw puzzle begin to fall into place when the team finally discover the grand scheme KORPS has spent the last ten years buil

Season 6 ranked & reviewed

1. S07E01The MayzeJanuary 13, 2014—It is a new term at St. Heart's and with Zoe still away, spy handler Frank tasks the team with the mission of tracking down one of Zoe's rem
2. S07E02FrankensteinJanuary 20, 2014—Keri's first mission as a fully-fledged M.I.9 agent comes sooner than anyone expected when the team discover an abandoned KORPS base beneath
3. S07E03The Man Who Drew TomorrowJanuary 27, 2014—The team are sent to investigate Derren Beige, a flamboyant clairvoyant whose previously pathetic predictions have suddenly become scarily a
4. S07E04Revenge is SweetFebruary 3, 2014—When government food advisor George Monoblot is sacked after highlighting the dangers of a revolutionary sugar substitute, Cupodium, he seek
5. S07E05The Shadow GamesFebruary 10, 2014—During a successful M.I.9 mission to secure the deadly assassin Samantha Stiletto, KORPS mistakes Keri for the assassin. Keri takes Stiletto
6. S07E06The BeginningFebruary 17, 2014—After learning that KORPS have a weapon of mass destruction, the team travels back to the 1940s to learn about the origins of the 'WMD' and
7. S07E07Return of the Dark WizardFebruary 24, 2014—Tom discovers the online Dark Wizard avatar from Blade Quest has become self-aware.
8. S07E08Free RunnerMarch 3, 2014—Dan joins a free running group that has been accused of committing crimes. Stella goes undercover on a teaching job for Saint Hearts.
9. S07E09The League of Mata HariMarch 10, 2014—Frank is asked to join a secret order within M.I.9 called the League of Mata Hari. However, the curious team uncovers a criminal conspiracy
10. S07E10Sad MenMarch 17, 2014—M.I.9 have acquired a fragmented message from the terror organisation 99p. They are a group that is dedicated to bringing down the world's e
11. S07E11The Problem ProbeMarch 24, 2014—Mandy Pluckley, the country's top 'agony aunt', has been abducted by KORPS. She is the sworn confidant of the Prime Minister and he is depen
12. S07E12We Need to Talk About KORTEX (Part 1)March 31, 2014—The MI High team have set up their own agency after being fired from M.I.9. After many unsatisfying missions and almost quitting the job com
13. S07E13The Last Stand (Part 2)March 31, 2014—The team, Frank, and Stella have gone into hiding as M.I.9 has been taken over by KORPS. As KORPS' plans are nearing completion, the team mu

Season 7 ranked & reviewed