Dec. 24 (UPI) -- Disney + and BBC released a first-look teaser for the upcoming season of Doctor Who after the premiere of the sci-fi show's latest Christmas special, Joy to the World, on Wednesday. This will be the second season starring Ncuti Gatwa as the titular, shape-shifting space alien and Millie Gibson as his companion Ruby Sunday. Advertisement Varada Sethu will join the cast this season as Belinda Chandra and is introduced in the 40-second preview. "The Doctor meets Belinda Chandra