Michael Hoaglin, the proprietor of the Castle Karnstein channel on Youtube, is in the ongoing process of providing captioning for previously uncaptioned horror and mystery films, and Return of Chandu is one of the beneficiaries of his labors. The Karnstein print of Chandu is not just notable for subtitling, though; Michael has worked mightily to mix and match footage from three different print sources, in order to correct splices and other flaws, resulting in the best possible online version of Chandu. It’s an impressive achievement, and well worth checking out: