The summary is:
The speaker is testing different liquids on a rag doll named Bane to see how they affect him. He tries water, acid, gasoline, fire, liquid nitrogen, cement, and three mysterious substances that change Bane's hair color and make him spit fire or freeze. He also gives Bane sushi and donuts that make him fat and explode. He records Bane's reactions and deaths and asks the viewers to like and subscribe to his channel. He also tries to give Bane a bath with hot and cold water and a rubber duck. He ends by asking the viewers which liquid they liked the most.
Here are the key facts extracted from the text:
1. The text is a transcript of a video where someone tests dangerous liquids against a rag doll inside a box.
2. The liquids include gasoline, acid, liquid nitrogen, cement, shampoo, and three mysterious substances that are red, green and blue.
3. The rag doll undergoes various transformations and reactions when exposed to the liquids, such as changing hair color, spitting fire, freezing, exploding, etc.
4. The person also uses other items such as sushi, donuts, a water gun, and a fireman's hose to interact with the rag doll.
5. The person asks the viewers to leave a like, subscribe and comment on the video.