[Credit: TV Guide]

[Credit: Warner Bros]



[Credit: Warner Bros]

Check out a behind-the-scenes clip of Melissa Benoist on the set of her cover shoot for TV Guide!About her superhero costume, Benoist said, "The first time I put the costume on, I definitely felt, like, this transformation — something inside of me clicked. It's kind of impossible not to feel strong and brave."Ahead of the show's debut, Melissa made an appearance on the Warner Bros. lot on Monday to take a look at the Water Tower, which went through a superhero makeover."Arrow," "Gotham," and "The Flash" were also part of the Water Tower make-over. Check it out!"Supergirl" premieres on Monday, October 26, at 8:30/7:30c p.m. on CBS.