The third series of The Sarah Jane Adventures continues today with part one of The Eternity Trap! In this story we see Sarah Jane and the gang investigated a haunted house. The synopsis for part one is below.

A haunted house, with mysterious whispers and secrets in the shadows attracts Sarah Jane's attention in the first of a new, two-part adventure, written by Phil Ford and directed by Alice Troughton.

When Professor Rivers and the gang investigate an old legend, a monstrous creature appears in the night as the terrifying grasp of Erasmus Darkening reaches out from centuries past.

The Eternity Trap part one airs from 4.35-5pm on BBC One and on BBC HD, and will continue with part two of the episode tomorrow at the same time. Come back after for the next time trailer for part two of the story.