. >> later in the video they do bring in a mexican race car driver, sergio perez -- >> that's how theyrive? >> yeah. they want the center of gravity to be as low as possible. >> but look at where sergio's butt is. it is literally ten millimeters from the ground. >> they're in these cars for over two hours. cramped in this tiny spot. >>dy make your day? >> yeah, this is really cool. >>> mario fish tanks. ♪ >>> time for another prank and this one is a good one because it is a husband and a wife. we're seeing tammy and jason. they've been together for ten years, but jason ecently had so knee surgery leaving him o crutches. went into the store buy jason his beer because he can't walk. >> oh, how sweet. >> nice move by tammy. right? well, as she goes to get jason his beer, jason's in the passenger seat. kids are in the back seat, they're listening to bruno mars song -- >> she got my beer because my legs hurt. >> here comes tammy. >> that's the thank you she gets? for getting him beer? >> are you kidding me. >> i like how she didn't even yell, react, anything. just took it. >> she realizes t