A possible concise summary is:
Mark and Tyler are doing the "Dry Ice Popsicle Challenge" where they have to make and eat popsicles from different liquids on a block of dry ice. They play rock paper scissors to decide who has to eat each popsicle, and they have a mix of good and bad tasting liquids. Mark wins most of the rounds, and Tyler has to eat sriracha, lemon and lime, and blueberry smoothie popsicles. Mark has to eat chocolate sauce and tartar sauce popsicles. They also plan to freeze a bag of all the liquids mixed together and eat it at the end. The video ends with a cliffhanger for the next episode.
Here are the key facts extracted from the text:
1. Mark and Tyler are doing the "Dry Ice Popsicle Challenge" where they have to make and eat popsicles out of different liquids on dry ice.
2. They have 13 liquids to choose from, ranging from good to bad tasting ones, such as chocolate sauce, lemon juice, tartar sauce, and sriracha.
3. They play rock paper scissors to decide who has to eat a popsicle, and they use a random number generator to pick the liquid.
4. Mark wins most of the rounds and makes Tyler eat the bad ones, such as sriracha and kale vinaigrette.
5. Mark also tries some of the popsicles himself, even though he doesn't have to.
6. They put all the leftover liquids in a Ziploc bag and plan to freeze it and eat it at the end.
7. The video ends with a cliffhanger and a narrator saying "Next time on the Dry Ice Popsicle Challenge".