Many characters are knocked out with one punch, often for a comedic effect.
Ando and Hiro are thrown out of a casino for cheating, where they meet one of those whom they had cheated. When confronted, Ando warns them that Hiro will use his powers on them. In response, one of the men punches Hiro, knocking him unconscious.
To defend her friend, Claire punches Jackie in the Union Wells hallway and lays her out.
At an Alaskan facility, Mr. Bennet punches Hana, who is overwhelmed by her newly-realized powers, and knocks her out.
Once Peter realizes how to use his acquired powers, he is unable to control them. Claude knocks him out with a single punch to avoid a possible overload.
A guard, using a baton, knocks out Niki at the Women's Correctional Facility.
Hope punches Hiro and knocks him out after he learns that she has misrepresented herself.
Ando dresses as a security guard and surprises Linderman's curator with a blow to the head, knocking the curator out.
Niki tells Nathan to knock her out so that Jessica will realize she is not in control. Nathan knocks her out with one punch.
Mohinder takes out Sylar with one blow from the map.
Mohinder knocks Matt out with a blow on the head.
Hiro is briefly knocked out by a single punch to the face from Takezo Kensei.
Tuko punches Peter to render him unconscious. Later, Peter punches McSorley's son using enhanced strength, knocking him across the room.
Noah knocks out Ivan with a gun in his hand.
Kensei knocks out a guard with a single punch.
Kensei hits Hiro on the back of the head.
To stop Elle from electrocuting Zach, Noah pistol whips her and knocks her out.
To stop Linda Tavara from stealing his ability, Linderman whacks Linda in the head with a stick.
Julien punches Samir, causing him to stop phasing.
Daphne escapes Hiro by punching him, knocking him out, and time unfreezes, allowing her to speed away
Knox kills the German with one punch right through his chest.
Milosh attempts to punch Adam Monroe, who dodges the attack. Hiro ends up getting hit instead.
Knox knocks Adam out with a clothesline.
Peter knocks Nathan out when the latter attempts to take his gun.
After Tracy catches him stealing the formula, Hiro punches her in the face and knocks her out momentarily, before escaping with the help of Daphne.
After Nathan Petrelli and Matt Parkman defuse the bomb vest with the help of Matt's telepathy, Nathan knocks him out to in order to prevent him from using it again.
El Vengador knocks out a thug with a Jesus tattoo with one punch, thanks to his enhanced strength.
Other One Punch Confrontations
After Nathan claims that Peter is suffering from depression at a campaign event, Peter manages to get one good punch in before Nathan's security staff pull him off.
At Matt's precinct, Matt telepathically learns that Tom McHenry is sleeping with Janice. He punches Tom, and other officers pull Matt off Tom.
Matt punches Tom McHenry.
At the Deveaux Gallery, a woman punches Isaac because she is upset that one of his paintings depicts her death.
Hana punches her IDF enlisting officer in an attempt to prove to him that she is worthy of joining the military.
Upon meeting Hana in Israel, Mr. Bennet punches the lieutenant, knocking her to the ground.
Hana punches a child pornographer and easily bloodies his face.
At their Vietnam base, Dallas angrily punches Austin and calls him a "lying sack of sh."
Hana remembers when she was in the Alaskan tundra, she punched Mr. Bennet, breaking his glasses in half.
Sylar telekinetically moves a parking meter into his hand and gives Peter a big whack.
Niki snatches the meter from Sylar and returns the favor.
Claude knocks a terrorist out with a stick.
Yaeko slaps Hiro in an attempt to make him more sober.
While attempting to kidnap Usutu, Hiro finds a painting of himself getting hit in the head with a shovel. The prophecy is fulfilled only seconds later.
Hiro travels back in time to sneak up on Usutu before he hits Hiro's future self. However, he finds another painting of himself getting hit in the head with a shovel, which is indeed fulfilled only seconds later.
Peter punches Sylar in the face out of annoyance.
After a terrakinetic battle between them, Samuel tries to punch Peter, but Peter blocks him and punches him in return.
- The "sound effects" associated with the graphic novel punches have been varied. Sounds the punches have made include "krtak", "wham", "slam", and "whak".
After Hiro catches on to Hope's scheme, she knocks him out.
Sylar is taken out by the map.