number four -- never swim in a pool with sea monsters. [ roaring ] [ laughs ] both: very funny, calci! water safety. it's the "h2-only" way to go! >> get ready for "teen kids news." here's what's coming up. >> these people are helping their community hospital one step at a time. >> middle school can be a nightmare for girls. a survival guide coming up. >> when there's a disaster, should the government protect pets as well as people? we'll hear what teens have to say. >> coming up, we'll visit the beautiful city of prague. >> that and more next on "teen kids news." >> welcome to "teen kids news." i'm mwanzaa. >> and i'm siena. we'll start with our top story. >> a lot of us join walkathons because we have a personal connection to the cause. but as emily reports, one boy's connection is not only personal, it's amazing. >> there's always excitement when an event like this is about to begin. the crowds, the signs, the different groups with their team shirts. >> let's go! [ cheers and applause ] >> this one-mile march is to raise money for the maria fareri children's hospital in new york's

number four -- never swim in a pool with sea monsters. [ roaring ] [ laughs ] both: very funny, calci! water safety. it's the "h2-only" way to go! >> "teen kids news" is about to get started, and here's what we've got for you. >> would you eat a bowl of cookies for breakfast? wait till you find out what could be in your cereal. >> we'll see how flowers, rocks, gold, and even bugs were used to make beautiful books. >> meet the people who make sure no teen gets priced out of the prom. >> coming up, i'll show you the unusual way they celebrate the new year in the land of mozart -- vienna, austria. >> and there's lots more ahead, so stay with us. >> welcome to "teen kids news." i'm mwanzaa. >> and i'm livia. here's this week's top story. >> you might think of it as a healthy way to start the day, but you could be eating a bowl full of trouble. tyler has the disturbing truth about some of our favorite cereals. >> i think it's very nutritional. >> yeah, but it depends on what cereal. >> if you think your favorite cereal is healthy, here's a shock. it might be more than half sugar. and that'