First look: The Flash visits 'Supergirl'

Name: First look: The Flash visits 'Supergirl'
Uploaded: 2016-03-16T16:42:01Z
Duration: 10 s
Description: The speedy superhero is set to join the March 28 episode of 'Supergirl.'

The speedy superhero is set to join the March 28 episode of 'Supergirl.'

CBS