The trailer for Doctor Who's return later this month has been released, and you can watch it on RTÉ TEN.

Airing on BBC One on Saturday March 30, opening adventure The Bells of St John marks the official introduction of the Doctor's (Matt Smith) new companion, Clara Oswald (Jenna-Louise Coleman), who made two appearances last year.

Fans will also see new villains, the Spoonheads, who will face-off against the Doctor as "he discovers something sinister is lurking in the Wi-Fi".

Watch the trailer here.

Among the guests set to feature in the new series are: Warwick Davis, Richard E Grant, Celia Imrie, Tamzin Outhwaite, Jessica Raine, Dougray Scott and, for the first time on screen together, mother and daughter Diana Rigg and Rachael Stirling.