I watched both, the second one first and since it only had excerpts of the entire show, I went looking for and found the first one. I'm looking forward to his further investigation of falling dominoes since with a simple setup and high speed photography he's already debunked a scientific paper's theory about that.How did I just spend 12 minutes watching dominoes.....
I like how they had redundant (hah) paths to complete the chain if a trick failed.