Vampi gets sucked into a whirlpool and passes out..great b/w art Source: Comicsworld website

Steve Trevor rises from the dead for a second time and promptly crashes his plane. Diana brings the unconscious Steve to Paradise Island.

Wonder Woman rescues Steve Trevor who has been knocked unconscious by an attacking lion.

Wonder Woman finds Steve Trevor among the wreckage of a crashed plane.

Steve Trevor is knocked out by a pouncing tiger, trained by the villainess of the story. The tigers bring Steve to their master who, after using mind control to get information out of Steve knocks him unconscious again with a nerve pinch

Investigating a cavern Steve Trevor is knocked out by a blow from behind.

Steve Trevor is drugged by a Japanese agent and wakes to find himself captive and bound. Wonder Woman manages to find him but as they escape they both get gassed by the enemy agent. As Wonder Woman comes to she find her and Steve chained and the building about to collapse. She manages to break her binds while tak...

Steve Trevor is slipped a drugged drink by the Cheetah. The Cheetah then orders Wonder Woman - who is forced to obey by the 'Venus Girdle'- to carry Steve Trevor and Mala on a tightrope while she sets fire to the room where they are trapped in.

Steve Trevor is abducted by a group of Warrior Women after being shot in a Nazi ambush.

Cover of Adventure Comics #460 showing an unconscious Steve Trevor carried by Wonder Woman

Scan is small, art is so-so, but for completists out there... Source: Comicsworld website

Comic cover showing an unconscious Steve Trevor being protected by Wonder Woman

Steve Trevor, dressed as a Roman Gladiator, is slipped a drugged drink by the villainess. The passout is not shown but Wonder Woman finds him unconscious and carries Steve to his car. Also includes a small KO of a girl dressed as Wonder Woman.

Steve Trevor is knocked unconscious by King Pluto. His Secretary enters his office just in time to see him getting carried off by his kidnapper.

Looks like it's from Superman: The Animated Series. No idea of the episode though.

Rulah is clubbed over the head. No unconscious shots, but she does wake up bound to a tree.

A girl is belly punched then bound to a giant "Y" thing. Some nudity.

Various head KO scenes.

The town paperboy is chloroformed by an evil Count.

Interesting pseudo-chloro in first story (F/F). Doll Man is knocked out and gagged in second story.