Some of these are debatable. I counted power taken away if synaptrol (sp?) was used, which causes paralysis of the brain (occurring in Secret Weapon and Dirtiest Business). Also, for instances like when Tyso had an out-of-body experience in Worlds Away, and when Mike was put to sleep by John in Hitler's Last Secret, and when Stephen and John were "killed" in The Medusa Strain, I did count them as knock outs. I'll have to see how many people are in favor or not in favor of those times.

People like Tikno, Peter, and Pavla are also on this list, even though they aren't (or weren't in Pavla's case) part of the Tomorrow People.

Here we go.

Knock Outs

John was knocked out a total of 14 times:

• Once in The Medusa Strain when he was killed by the spaceship's disintegrator ray.
• Once in The Blue and The Green when Robert captured him.
• Once in Secret Weapon when Tricia hit him with synaptrol
• Twice in Worlds Away, first when the Vesh hit him with the poisoned arrow, and second by being too close to the Kultan's radiation machine.
• Once in A Man For Emily when he was transported to the ship.
• Once in Revenge of Jedikiah when he was shot in the Experimental Weapons Establishment.
• Twice in Into The Unknown, first when he was riskily transported between the two ships, and second after the turbulence in the space tunnel.
• Once in The Dirtiest Business when the government attacked the lab with synaptrol.
• Once in The Lost Gods when Hsui Tai hit him with the stun gun.
• Once in Hitler's Last Secret when Mike hit him with the stun gun.
• Once in The Living Skins when Mike hit him with the stun gun again!

• Twice in Into The Unknown, first when the ship? knocked him out, and second when the ship was hit by turbulence in the space tunnel.
• Twice in The Dirtiest Business, first the lab was attacked by the government with with synaptrol, and second when the Russian agent attacked him.
• Once in The Hearts of Sogguth when he was brought into The Hearts of Sogguth.
• Twice in The Lost Gods, first when he was contacted by Hsui Tai, and second when Hsui Tai stunned him.
• Once in Hitler's Last Secret when John put him to sleep.
• Once in The Thargon Menace when he was attacked by General Papamine's men.
• Once in The Living Skins when he was stunned by John.

• Twice in Slaves of Jedikiah, first when Ginge shot him with the stun gun, and second when Lefty hit him with the stun gun later.
• Once in The Medusa Strain when he was killed by the disintegrator ray.
• Once in The Vanishing Earth when Joy stunned him.
• Once in The Doomsday Men when Douglas' "kidnappers" attacked him.
• Once in The Secret Weapon when Tricia got him with synaptrol.
• Once in Worlds Away when the Vesh hit him with the poisoned arrows.
• Once in Revenge of Jedikiah when Jedikiah captured him at the Experimental Weapons Establishment.
• Once in Into The Unknown when the space tunnel was hit by turbulence.

• Once in The Secret Weapon when she was hit by Tricia by synaptrol.
• Once in A Man For Emily when she was first taken on the ship.
• Once in Revenge of Jedikiah when she was shot at the Experimental Weapons Establishment.
• Once in Into The Unknown when the tunnel's turbulence knocked her out.
• Once in The Dirtiest Business when the government attacked the lab by synaptrol.
• Once in The Hearts of Sogguth when Jake attacked her.
• Once in The Living Skins when Mike knocked her out.

• Three times (poor guy!) in The Secret Weapon, first when Cawston gave him a sedative, twice when he was knocked out by synaptrol, and third when he was awakened and knocked out again with synaptrol.
• Once in Worlds Away when he had an out-of-body experience.
• Once in Revenge of Jedikiah when Jedikiah captured him.

• Three times in Worlds Away, first when Stephen stunned him, second when the Vesh hit him with poisoned arrows, and third when he got too close to the Kultan Radiation.
• Once in Revenge of Jedikiah when he was shot at the Experimental Weapons Establishment.

• Once in Slaves of Jedikiah when Ginge stunned her.
• Twice in The Medusa Strain when she was taken onto the ship by Jedikiah, and second when she was put in the airlock.

• Once in Hitler's Last Secret when Mike stunned her.
• Once in The Thargon Menace when he was shot by General Papamine's men.
• Once in The Living Skins when she was stunned by John.

• Once in Slaves of Jedikiah when Ginge stunned him.
• Once in The Medusa Strain when he used his life force to save Stephen and John.

• Once in Secret Weapon when John hit her with the stun gun.
• Once in Revenge of Jedikiah when Jedikiah took her shape.

• Once in The Medusa Strain when he was tortured on Robovsky's ship? (This one is debatable)

• Once in The Dirtiest Business when the car crashed.

• Once in Achilles Heel when the radiation knocked him out.

Powers Taken Away

John's powers were taken away a total of 8 times:

• Once in The Blue and The Green when he was captured by Robert.
• Once in The Secret Weapon when he was hit with synaptrol by Tricia.
• Once in Worlds Away by the Kultan's radiation.
• Once in A Man for Emily when the ship took his powers away.
• Once in Into The Unknown when the ship's tractor beam stopped their powers.
• Once in The Dirtiest Business when the government attacked the ship with synaptrol.
• Once in Achilles Heel when the aliens hit him with Barlium.
• Once in War of the Empires when the Galactic Trig took away his powers.

• Once in Slaves of Jedikiah by Jedikiah's silencer band.
• Twice in A Rift In Time, first by the machine, and second by what the scientists gave the Romans.
• Once in The Secret Weapon when Tricia hit him with synaptrol.
• Once in Worlds Away by the Kultan's radiation.
• Once in Revenge of Jedikiah by Jedikiah's silencer band.
• Once in Into The Unknown by the ship's tractor beam.

• Once in The Secret Weapon when Tricia hit her with synaptrol.
• Once in Worlds Away by the Kultan's radiation.
• Once in Into The Unknown by the ship's tractor beam.
• Once in The Dirtiest Business when the government attacked the lab with synaptrol.
• Once in Achilles Heel by the Barlium radiation.

• Once in Into The Unknown by the ship's tractor beam.
• Once in The Dirtiest Business when the government attacked the lab with synaptrol.
• Once in Achilles Heel by the Barlium radiation.
• Twice in War of the Empires, first by the beam in the Thargon spaceship, and second when he was hit by Barlium by the president of the United States.

• Twice in The Medusa Strain, first by the Medusa, and second by Jedikiah's silencer band.
• Twice in A Rift In Time, first by the Roman machine, and second by the thing the scientists gave the Romans.

• Twice in The Secret Weapon, first when he was drugged with synaptrol, and second when his powers were given back and he was drugged again with synaptrol.
• Once in Worlds Away by the Kultan radiation.
• Once in Revenge of Jedikiah by Jedikiah's silencer band.

• Twice in Achilles Heel, he got two bursts of Barlium by the aliens.

• Twice in The Medusa Strain, first by the Medusa, and second by Jedikiah's silencer band.

• Once in Achilles Heel by the Barlium radiation.
• Once in War of the Empires when she was shot with Barlium by the president of the Unites States.

• Once in Slaves of Jedikiah by Jedikiah's silencer band.

• Once in Worlds Away by the Kultan radiation.

Mind Controlling

John's mind was controlled a total of 3 times:

• Once in The Blue and The Green by Robert.
• Once in Hearts of Sogguth by the Hearts of Sogguth.
• Once in The Living Skins by the alien bubbles.

• Once in Slaves of Jedikiah when Jedikiah hypnotized him.
• Once in The Vanishing Earth by Steen.
• Once in Revenge of Jedikiah when Jedikiah hypnotized him.

• Once in Hearts of Sogguth by the Hearts of Sogguth.
• Once in Hitler's Last Secret by his genetic reaction to Hitler.
• Once in The Living Skins by the alien bubbles.

• Once in The Vanishing Earth by Steen.

• Once in The Living Skins by the alien bubbles.

• Once in The Living Skins by the alien bubbles.