S24, E4: As Mel convinces the Lakertyans fight back, the Tetraps turn on the Rani and the Doctor ensures the missile is deflected away from the asteroid.

Starring Bonnie Langford, Kate O'Mara, Mark Greenstreet

S24, E4: As Mel convinces the Lakertyans fight back, the Tetraps turn on the Rani and the Doctor ensures the missile is deflected away from the asteroid.