What Would We Expect to Find if the World had Flooded?
Problems with a Global Flood.
The Geologic Column and its Implications for the Flood. By a former creationist.
Your first link assumes a ridiculous simple model for the flood and then debunks it. I believe, that's called a strawman argument.
The video on the flood, did a good job of laying out both the evolutionist theory of grand canyon area being submerged under oceans several times. Then it presents the Creationist view. Does a good job of explaining how the differnent layers formed and points out that there is a general lack of erosion between layers which would be expected if the layers had occurred over millions of years.
As for your videos, I'm just chuckling to myself. What are you going to tell your kids when they finally learn the truth, and are exposed to all the lies in those cartoons?
Having gotten both sides of the issue, they'll be able to think for themselves. What are you going to do the day you realize that this fisherman and disciple of Jesus prophesized 2000 years ago about you?
1 Peter 3 Knowing this first, that there shall come in the last days scoffers, walking after their own lusts, 4 And saying, Where is the promise of his coming? for since the fathers fell asleep, all things continue as they were from the beginning of the creation. 5 For this they willingly are ignorant of, that by the word of God the heavens were of old, and the earth standing out of the water and in the water: 6 Whereby the world that then was, being overflowed with water, perished: