Let's all welcome JENNA (Emmerdale, Captain America: The First Avenger) to the DOCTOR WHO family, eh?Discover the first episode JENNA watched - right before auditioning! - and the unforgettable way MATT greeted her the first time they met.And hear from STEVEN about the "very brilliant and new" chemistry between the Doctor and his new companion!DOCTOR WHO is back with all new episodes! This Spring, the Doctor (MATT SMITH) is joined by his new companion Clara (JENNA-LOUISE COLEMAN) for the latest set of incredible adventures through space and time. The duo finds new adversaries and familiar friends around every corner as they journey from the bottom of the ocean in a submarine to the center of the TARDIS and beyond. The Cybermen make a thunderous return and the Ice Warrior arrives in an unexpected place.In the premiere, a modern-day urban thriller called "The Bells of Saint John" written by lead writer and executive producer Steven Moffat (Sherlock) and set in London against the backdrop of new & old iconic landmarks, a new nemesis - the Spoonheads - battle the Doctor as he discovers something sinister is lurking in the Wi-Fi.