The squid-faced creatures known as The Ood are to return for the fourth season of Doctor Who in an episode set on their home world. According to The London Paper, 'The Planet of The Ood' will ...

“A mysteriously forgotten excursion for the TARDIS in between ‘Planet of the Ood’ and ‘Sontaran Stratagem’?” Davies suggested (via Digital Spy). “Or maybe a multiverse thing, they ...