The move to The CW doesn't mean that Supergirl will be in the same world as Arrow and The Flash on a permanent basis.
The villains of the Arrow, Flash, Supergirl and Legends of Tomorrow crossover have been revealed.
Supergirl Executive Producer Ali Adler spoke with TV Guide about Supergirl's upcoming second season.
Louis Rabinowitz reviews the Supergirl and Flash crossover episode "Worlds Finest"
CBS has aired a trailer for the Supergirl and Flash crossover episode "Worlds Finest"
The race between The Flash and Supergirl begins... who is the Fastest Person Alive?
CBS has released a short promo teaser for the Supergirl/Flash crossover "Worlds Finest"
Promotional image and description for the Supergirl and Flash crossover episode "Worlds Finest"
Executive Producers of Supergirl talk about a crossover with The Flash... or the lack thereof.
Greg Berlanti talks about whether or not there are plans for a crossover between Supergirl and Arrow, Flash, or Legends of Tomorrow
