Now Playing: Gabby Giffords: Tucson Shooting Anniversary

Now Playing: Gabrielle Giffords: 'I Will Be Back'

Now Playing: Gabrielle Giffords: Anniversary of a Tragedy

Now Playing: USS Gabrielle Giffords Honors Courage

Now Playing: Celebrating International Rabbit Day

Now Playing: Friday Rewind: Hurricane Maria

Now Playing: Insomniac Theater: 'Kingsman' and 'Battle of the Sexes'

Now Playing: Tragedy over triumph: Man started organization to help disaster victims following 2004 tsunami

Now Playing: Friday Rewind: Irma hits Florida

Now Playing: Insomniac Theater: 'American Assassin' and 'Brad's Status'

Now Playing: Tim Laird's tailgating party

Now Playing: North Korean missile launch over Japan

Now Playing: Insomniac Theater: 'It' and 'Home Again'

Now Playing: Friday Rewind: North Korea conducts another nuclear test

Now Playing: Kendis and Diane try out for a job at the U.S. Open

Now Playing: Friday Rewind: Hurricane Harvey

Now Playing: Insomniac Theater: 'Goon' and 'Unlocked'

Now Playing: Hurricane Harvey breaking records

Now Playing: Tropical Storm Harvey continues

Now Playing: North Korea missile launch