Thanks a lot @bozz , I really appreciate your contribution. What a shame, this is the very first time I ever hear about these movies ; and it seems the sequel doesn't betray the original, which happens very rare. Thanks! I'm adding them here too. Bookmarked! :)
- "The Endless Summer"
http://www.imdb.com/title/tt0060371 - "The Endless Summer II"
http://www.imdb.com/title/tt0109729