The summary is:
Two girls, Vika and Dayka, try different kinds of sour candies and mix them in a blender with lemon juice and lime juice to make the sourest smoothie in the world. They taste the smoothie and find it very unpleasant and disgusting. They ask the viewers to like and subscribe to their channel, Viki Show.
Here are the key facts extracted from the text:
- The text is a transcript of a video where two people try different sour candies and make a sour smoothie challenge.
- The video is from a channel called Viki Show and it was uploaded on 7 September 2022.
- The sour candies they try include Kislits, Toxic Waste, Skittles, Jelly Belly, and Super Sours.
- They also add lemon juice, lime juice, and grapefruit juice to the smoothie.
- They both find the smoothie very sour and unpleasant to drink.