UPDATE: An update to this story, putting these rumours in context, can be found here. The original story runs below.

A little Thanksgiving gossip comes to us regarding the future of DC's TV shows on CBS.

Bleeding Cool has been told by a reliable source to expect Supergirl to meet the Flash and the STAR Labs crew from her fellow show by May's sweeps week, if CBS orders the last episodes of Supergirl.

Comissioned for 13 episodes, CBS has an option for a "back nine" to bring the season up to 22.

CBS believes Supergirl may need the ratings boost…