I saw this movie on wlvi tv 56 on a Sunday afternoon as a kid and I have been wondering about it for decades now. I think it was a late 60's or early 70's beach or hippie movie. There are two agents searching for these purple eggs. In one scene the two agents are hiding behind a rock with their underwear on their heads while they spy on the kids on the beach. At the end of the movie the eggs are dropped and something like the word "splat!" Comes up on the screen and that's how it ends. I've done every search I can think of to identify what this film was and I've even tried to locate old Boston TV guides to track it down but no luck. Amy help would be appreciated greatly.