How many documentary films about Mr. Bean's Holiday exist? 3 or none?

As a Mr. Bean fan, I was offended when IMDb told me there are three documentary movies about his movie [tt1284492] [tt1284493] [tt1284494] All three are shorts, all run at 30 minutes, two have NO CREW items and one mentions a carpenter, a construction buyer! and a wardrobe person and a mini bus driver, and all three were released to DVD in Japan the same day of 2008. Wow! I Googled to buy it, but I've been unable to find that DVD. Questions: - is this is a silly joke, creating 3 DVD titles out of nothing? - is this a huge error, creating 3 aka titles for an episode of a series? Check [tt3010676]... Problem: IMDb is accepting NEW titles with great leniency.