20/20

Horn is reportedly responding well to treatment.

While self-isolating at his childhood home in Iowa, "20/20" editor David Abelson asked his friends how they're passing the time. It turns out, many launched new projects aimed at making a difference.

Hosted by beloved daytime TV personality Regis Philbin, it was the first quiz show to have a million-dollar top prize. The show became a sensation that brought families together.

Kimmel, who will step into the newest incarnation of the show, dishes on the new “life line,” how celeb contestants will be picked and the sacred line he won’t adapt from Regis Philbin.

Families across the United States tuned in, hoping to watch ordinary folks turn into millionaires on the show. Some of the people whose lives changed forever talk about their experience.