I doubt kids today are all that familiar with the “Beach Party” movies starring 60s’ singing sensations Frankie Avalon and Annette Funicello, but Lego Scooby-Doo! Blowout Beach Bash is a clear tribute to those fun-loving goofy teen flicks of old; thus, more mature viewers may get an extra chuckle or two. Regardless, this second Scooby-Doo…