Direct youtube links for those (like me) for whatever reason were unable to watch the videos directly in the page:

5-Minute Random Code Walk-Thru

Episode #1: http://www.youtube.com/watch?v=qqoJfIbPGv8

Episode #2: http://www.youtube.com/watch?v=vuqBc5FZH2g

Episode #3: http://www.youtube.com/watch?v=JzlU8YywcAo

Episode #4: http://www.youtube.com/watch?v=z9ocExv4xcs

Episode #5: http://www.youtube.com/watch?v=5VlnLQOFv_g

Episode #6: http://www.youtube.com/watch?v=rjaHfqkxfn8

Episode #7: http://www.youtube.com/watch?v=KxRDmfeQxpQ

Episode #8: http://www.youtube.com/watch?v=22goZWnhMOw

Episode #9: http://www.youtube.com/watch?v=mzkLAlYlbbo

Episode #10: http://www.youtube.com/watch?v=7B6-pxFvcrM

Episode #11: http://www.youtube.com/watch?v=j0MVG2e2Mco

Episode #12: http://www.youtube.com/watch?v=GR_Qm47_EDY

Episode #13: http://www.youtube.com/watch?v=SahDS27GdQ0