The final chapter of Hawaii Five-0 not only closed a television era but also marked a very special moment for a family of ...

Only ET was with the two casts talking about their highly anticipated crossover episode! 'Hawaii Five-0's season nine finale airs Friday, May 17, at 10 p.m. ET on CBS.

For 10 seasons, the rebooted "Hawaii Five-0" was a rock-solid Nielsen ratings ... was done chasing down bad guys for 20-plus episodes a season. Though there are certainly worse places on Earth ...