From the upcoming "Supergirl" First Season" Blu-ray/DVD, take a look @ 'gag reel' footage, revealing accidental bloopers and flubbed lines:
"Supergirl", developed by Ali Adler, Greg Berlanti and Andrew Kreisberg originally aired on CBS, debuting October 26, 2015, based on the DC Comics character 'Supergirl', aka 'Kara Zor-El', created by Otto Binder and Al Plastino.
Starring Melissa Benoist in the title role, 'Supergirl' is a costumed super-heroine...
...a biological cousin to 'Superman' and one of the last surviving 'Kryptonians'.
The series was officially picked up May 6, 2015, after receiving a series commitment September 2014, and received a full season order November 30, 2015.
May 12, 2016, Warner Bros. Television announced the series had been renewed for a second season and that it would move from CBS to The CW, premiering October 10, 2016.
Click the images to enlarge and Sneak Peek "Supergirl"...