Tha "Can Seo" glè mhath, gu dearbh!
YouTube comments suggest that a lot of the actors ended up in the show "Maichair" (sorry, I am only on lesson 8 and my Gaelic isn't good enough for that sentence)! A free PDF of the book can be found
here (I believe it is out of copyright so should be OK). All the accompanying audio and video are online in a playlist
here(the audio cassette materials are in the second half of the list which is why the playlist is 41 items long and not 20).