The passengers signed a waiver to confirm their knowledge that the submarine is an “experimental” vessel “that has not been approved or certified by any regulatory body, and could result in physical injury, disability, emotional trauma or death.”

https://web.archive.org/web/20230619230915/https://www.bbc.com/news/world-us-canada-65934887

I listen to clips of them on YouTube sometimes during the season. The Hockey Guy is my usual go to.

https://lemmy.ca/c/canucks