bonnie ross believes halo could be a franchise for decades. >> stay close to me. i'm your best chance for survival. >> reporter: i feel like our universe and our ability to tell hundreds of stories in our universe, if we do it right, we should be able to tell stories for the next 20 years. >> reporter: look out, hollywood. i'm neal karlinsky for "nightline" in kirkland, washington. >> thanks, neal. >>> coming up next, what do these nba stars come all the way to africa to find out? and what did these young men show them? ♪ [ male announcer ] this is karen and jeremiah. they don't know it yet, but they're gonna fall in love, get married, have a couple of kids, [ children laughing ] move to the country, and live a long, happy life together where they almost never fight about money. [ dog barks ] because right after they get married, they'll find some retirement people who are paid on salary, not commission. they'll get straightforward guidance and be able to focus on other things, like each other, which isn't rocket science. it's just common sense. from td ameritrade