New Earth

Episode Title:
New Earth

Written By:
Russel T Davies

Starring:
David Tennant - Doctor
Billie Piper - Rose Tyler

Alien:
Cats, Cassandra and Chip

Air Date:
15th April 2006

Synopsis:
The Doctor and Rose Tyler board the Tardis for new adventures in time and space. But when they visit mankind's new home, far in the future, they find gruesome secrets hidden inside a luxury hospital. And an enemy thought long since dead, Cassandra, is out for revenge.