(If you don't see the caption, click on the "cc" on the player menu bar to turn on the caption.)
Please share the videos with your non-Japanese-speaking friends.
Original written posts are here: Part 1, Part 2, Part 3.
There are also French translation and German translation (video subtitle), thanks to the readers of this blog.
Captioned Video Part 1 of 2
Captioned Video Part 2 of 2
(h/t Tokyo Brown Tabby for captioning)