It was unthinkable 30 years ago that a South Carolina, mother could strap her young sons into their car seats and watch as the car sank into a lake.

NBC Today anchor Craig Melvin joined WRAL anchor Jeff Hogan for a preview of the two-hour special episode "Return to the Lake" airing on WRAL-TV at 9 p.m. EST on Friday, Feb. 14. The episode unveils ...