Summertime means folks will do almost anything for fun! Mark's pick is a beach flip with a disastrous outcome. Dayna's video features a guy who couldn't go to the beach -- so he brought the beach home!

This summer is jumpin'... on trampolines! Mark's pick is a bouncer who runs into some trouble when he flips and comes crashing to the ground, while Dayna's pick features a kid bouncing right through the backyard shrubbery!

Tell "Extra" -- which summer bounce gave you the biggest lift?