Ratings
Series 1 Ratings

Series One
BBC One
CBBC Channel
Revenge of the Slitheen (Part I)
1.4million
Revenge of the Slitheen (Part II)
1.1million
0.45million
Eye of the Gorgon (Part I)
1.1million
0.37million
Eye of the Gorgon (Part II)
1.0million
0.44million
Warriors of Kudlak (Part I)
1.0million
0.43million
Warriors of Kudlak (Part II)
1.2million
0.40million
Whatever Happened to Sarah Jane? (Part I)
1.2million
0.41million
Whatever Happened to Sarah Jane? (Part I)
1.1million
0.63million
The Lost Boy (Part I)
1.3million
0.47million
The Lost Boy (Part II)
1.2million
0.66million

Series 2 Ratings

Series Two
BBC One
CBBC Channel
The Last Sontaran (Part I)
0.8million
The Last Sontaran (Part II)
0.48million
0.7million
The Day of the Clown (Part I)
0.51million
0.6million
The Day of the Clown (Part II)
0.44million
0.8million
Secrets of the Stars (Part I)
0.52million
0.9million
Secrets of the Stars (Part II)
0.51million
0.7million
The Mark of the Berserker (Part I)
0.53million
0.9million
The Mark of the Berserker (Part II)
0.63million
0.9million
The Temptation of Sarah Jane Smith (Part I)
0.48million
0.7million
The Temptation of Sarah Jane Smith (Part II)
0.59million
0.8million
Enemy of the Bane (Part I)
0.46million
0.9million
Enemy of the Bane (Part II)
0.56million
0.7million

Series 3 Ratings

Series Three
Overnight
BARB
Prisoner of the Judoon (Part I)
0.6million
0.73million
Prisoner of the Judoon (Part II)
0.7million
0.82million
The Mad Woman in the Attic (Part I)
0.6million
0.75million
The Mad Woman in the Attic (Part II)
0.8million
0.84million
The Wedding of Sarah Jane Smith (Part I)
1.3million
1.59million
The Wedding of Sarah Jane Smith (Part II)
1.1million
1.47million
The Eternity Trap (Part I)
0.9million
1.14million
The Eternity Trap (Part II)
0.8million
0.93million
Mona Lisa's Revenge (Part I)
1.0million
1.12million
Mona Lisa's Revenge (Part II)
0.8million
0.92million
The Gift (Part I)
0.8million
0.95million
The Gift (Part II)
0.8million
0.89million

Series 4 Ratings

Series Four
CBBC Channel
BBC One
The Nightmare Man (Part I)
0.59million
0.28million*
The Nightmare Man (Part II)
0.67million
0.38million*
The Vault of Secrets (Part I)
0.73million
0.43million
The Vault of Secrets (Part II)
0.61million
0.49million
Death of the Doctor (Part I)
0.92million
0.48million
Death of the Doctor (Part II)
0.96million
0.47million
The Empty Planet (Part I)
0.99million
0.51million
The Empty Planet (Part II)
0.81million
0.58million
Lost in Time (Part I)
0.98million
0.59million
Lost in Time (Part II)
0.68million
0.54million
Goodbye, Sarah Jane Smith (Part I)
0.82million
0.52million
Goodbye, Sarah Jane Smith (Part II)
0.81million
0.58million
*These episodes were broadcast on BBC Two.