The Vault of Secrets (2) (S04E04)

Title: The Vault of Secrets (2) Plot: When Androvax the Veil, a former foe, unexpectedly returns to Earth seeking assistance, the team is torn over whether to place their trust in him. Meanwhile, the ominous Vault may house an even more formidable danger. Complicating matters, menacing android sentinels emerge, ready to eliminate anyone who dares to uncover their hidden truths. As the intense showdown unfolds between Sarah Jane, Androvax, and the androids, Rani must act quickly to rescue her mother from the chaos. With the Vault's secrets revealed, the fate of the entire Veil species hangs in the balance. Can they avert disaster in time?