Watch the films online here! (The American English version contains many subtitles) Clicking on the language of your choice will bring up the player. Click on the triangle in the center of the screen to start chapter 1.

With these icons, from left to right, you can choose the chapter, choose subtitles, choose the video quality, watch later, watch in YouTube, and watch fullscreen.

Deutsch American English Français Español Italiano 日 本語 Pусский العربية The English language films are also available at Isallaboutmath.com, Julio de la Yncera's site.