Minuette is bonked on the head with a rolling pin.

Minuette and others are gassed on a cruise ship.

Minuette succumbs to a gas trap.

A depowered Vixen gets into a fight with Wildcat and gets knocked out off screen. Source: https://www.comicextra.com/jsa-classified/chapter-15/13

Izumo gets knocked out and carried. Source: https://mangabuddy.com/ao-no-exorcist/chapter-48-night-of-the-true-cross-academy-festival

Souji gets knocked out and carried.

Pamela and Ash are knocked out by intruders. Source: manhuascan.com/read-the-tarot-cafe-official-chapter-7.html

Justice League Members from future were forced to knock out their younger selves so that they can take their place and fight a threat from future. Source: https://www.deviantart.com/surve1shubham

A woman is chloroformed and thrown into a truck.

America is hit by a lightning bolt and later wakes up tied to a table.

A female elf is hit with a tranquilizer dart.

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Two scenes. A girl is gassed unconscious. Eva is hit with a dart then bonks her head as she goes down.

Cassandra Nova uses her psychic powers to enslave Rachel Summers. Putting a collar and a leash on her, she literally makes her a pet, and uses her as an attack dog against her enemies. Constantly de-humanizing her, and forcing her to fight Jean Grey, she's eventually KO'd by a powerful blast. In order to save her from ...

Catwoman captured and forcibly unmasked and displayed by Gotham City PD. Much to her extreme distress, her face is immediately photographed for all of Gotham to see. Source: comic

On a mission to the Forest Moon of Endor, Aayla Secura encounters a B1 Battle Droid, slicing off its limbs with her lightsaber. While she's distracted, an Ewok shoots her with a tranquilizer dart, sedating the Twi'lek Jedi. Aayla wakes up a long time later, finding herself in an Ewok village.

Tess Black, a New York stock trader, is actually Loki's half-human, half-Frost Giant daughter. The sorceress Morwen possesses her for her power. After Loki and Spider-Man free Tess from Morwen, Loki uses his potent hypnotic powers to place Tess in a deep sleep, where she'll forget the experience and be able to live a ...

Mary Jane Watson attends an Oscorp event that a now-mutated Alistair Smythe attacks. Smythe knocks out Norman Osborn, but is captured by one of the Kingpin's retrieval vehicles. Harry and Mary Jane chase after Smythe, but get captured as well. To preserve his base's secrecy, Kingpin and his men release knockout gas i...

In the comedic web series Bad Days, Wonder Woman foils a bank robbery. Green Arrow shows up after she's defeated the crooks and fires a knockout gas arrow into the bank, accidentally putting Wonder Woman to sleep. She wakes up later to find Green Arrow taking credit for foiling the robbery. Source: https://www.youtube...

Jubilee encounters The Mandarin, and before she can attack him, he puts her into a deep hypnotic trance with one of his ten rings. Jubilee wakes up later as his prisoner.