colin cox and ryan branson are only 7 years old but provin you can be best friends at any age.their tonight from our friend, mike b our nbc station ksdk in st. louis. >> reporter: old friends don't have t be old. >> they truly love each other >> reporter: colin c and ryan branson hav known each other for two year that's a long time when you're only 7. are you guys on a mission? >> yep. >> reporter: what's the missio >> we need to save t day from evil bad guys. >> how many are up here all together? >> reporter: they me here at to christian school in st. louis. though the reason th became friends sound more like the reason you're hired for a job. >> i like his experience. >> reporter: but col came home from schoo one day with some ba news. >> he said, well, mommy i'm kind of sa my friend at school. his name is ryan. his house burned dow a couple d i'm really sad for him. >> reporter: it happened late one night in late february. ryan's family had ju fallen asleep. a seven-alarm fire tore through their apartment complex displacing dozens of families. stuffed animals, i lost my toy

. >> rep colin cox and ryan branson have known each other for two years.ime when you're only 7. are you guys on a mission? >> yep. >> reporte whas e missio >> we need to save the day from evil bad guys. >> howy are up here all together? >> reporter: they met here at tower grove christian school in st. louis. thou the reason they became friends sounds more like the reason you're hired for a job. >> i like his experience. te but colin came home from school one day with some bad news. >> he said well mommy i'm kind of sad, my friend at school. his name is ryan. his house burned down a couple days ago and i'm really sad for it happened late one night in late february. ryan's family had just fallen asleep. a seven-alarm fire tore through their apartment complex displaceing dozens of family. i lost my toys my stuffed animals, i lost my toy box, i lost my bed. >> repor in fact his family lost virtually everything. but they found an angel in colin. who asked his mom if he could make a video to put on facebook. >> i always take his picture and he always says don't