The Vault of Secrets, Pt. 2

The Vault of Secrets, Pt. 2

Available on BBC iPlayer
S4 E4: As the battle between Sarah Jane, Androvax and the androids reaches its climax, Rani has to save her own mother from being caught in the crossfire. But as the Vault opens, with the destiny of the entire Veil species at stake, is it too late to save anyone?