TODAY | January 05, 2014
>> we begin this half hour with one little girl who may want to consider a career in medicine. 9-year-old is not only a new big sister she helped deliver the baby girl . she said watching tv helped when she needed to step in and save her new sister's in.
>> reporter: 9-year-old allyssa loves to tell her newborn sister stories. one day she will tell her about the day she delivereder.
>> you delivered me. wow.
>> reporter: alilyssallyssa's mom was asleep when she went into labor.
>> i said mom your water broke.
>> reporter: any other 9-year-old would panic or start crying or screaming but she was very calm. i just thank god that allyssa was there.
>> reporter: the 9-year-old sprung into action. she could see her sister's head.
>> i told her hold on i'll catch the baby. she said hurry. i grabbed a tall.
>> reporter: allyssa knew something was wrong. her newborn sister was purple. the umbilica cord was wrapped around her neck.
>> reporter: she had seen what to do by watching her favorite television drama, nbc's " chicago fire ," one episode now playing out in her own home.
>> i grabbed the towel, wrapped up the baby. grab some scissors and thread.
>> reporter: after getting some help from a neighbor, allyssa cut the umbilical cord .
>> reporter: this morning all three are happy and healthy.
>> she's my super hero . she's my super girl .
>> reporter: the 9-year-old who always dreamed of becoming a paramedic now has the experience and a story of a lifetime.