For what are week 1 videos in 2014, the only change seems to be the addition of "Lecture 1-4 - Strong Arguments Don't Always Persuade Everyone (8:11)".
The 2012 ones all have EN subtitles with a first revision by jngiam, successively corrected by jiseob1101
The 2012 ones all have EN subtitles with a first revision by jngiam, successively corrected by jiseob1101
Week 1 videos can be found by combining the thinkagain and week1 tags, i.e. under https://groups.diigo.com/group/coursera-amara/content/tag/week1%20thinkagain.