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Laughing and feeling that joy and getting back to life. >> reporter: and they did. and now theyre trying to pull off something theyve never done before. inviting all past lead actors. the young nalas and simbas, back on stage to perform together and surprise the audience. >> hi, how are you? >> reporter: kylie, from 2016. >> its really surreal seeing all the cubs all grown up now. everyones taller than me now. >> reporter: kawana marie was the original nala. >> seeing it live on just has my hear...