marcos and his buddy mitchell overton say they're out on the water learning new tricks every weekend,to an experience of a lifetime. >> i see everyone looking to the other side of the wake and pointing to the other side and i look over the side of it and i can see this huge gray thing jump up and it scared me. >> reporter: mitchell had been filming the encounter and when they switched places, more dolphins. they saw a total of five ride the waves. >> once one would jump. for some reason they never got on my side of the wake. they let me do my things, they did theirs. >> reporter: researchers say it's common for dolphins to swim alongside the wake of a boat. like marcos and mitchell, they just like to have fun. for "today," lilliana luciano, nbc news. >> looks like fun. man and beast. >> exactly. and everyone has a camry, so we all get to share in it. >>> still to come on "today," a child prodigy on presidents. we're going to introduce you to a first grader who has a commanding knowledge of how commanders in chief -- >> plus, it's time to get back to the boardroom. we'll get donald tru