School Reunion

Episode Title:
School Reunion

Written By:
Toby Whithouse

Starring:
David Tennant - Doctor
Billie Piper - Rose Tyler
Elisabeth Sladen - Sarah Jane Smith
Voice Of K9 - John Leeson

Aliens:
Krillitranes

Air Date:
29th April 2006

Synopsis:
A London school is haunted by strange, bat-like creatures at night. When the Doctor investigates, he finds an old friend, Sarah Jane Smith, already working undercover. As they confront their past, Rose discovers the true legacy of being a Time Lord's companion.