The original one
https://www.youtube.com/watch?v=9J9X9VvYQXU
Episode II:
https://www.youtube.com/watch?v=dXl0HY3ujqA
2013/12/12
https://www.youtube.com/watch?v=hwZ-R5mTJ8s
2014/02/27 (with a cute dog)
2014/04/13 (this seems to be the last one)
https://www.youtube.com/watch?v=PBJiBWLtHOE&list=UUxPxvdfw99AMpoyQQabkLSg