Theyre here! The officially stamped episode titles for all eight adventures in the new series of Doctor Who have arrived, and it turns out that the leaks and rumours were more or less right.Four of the new episodes have been written by showrunner Russell T Davies (hes done the first two and last two, and has a co-writing credit on ep three), with three writers making their Doctor Who TV debut and one returning Who screenwriter, Pete McTighe, in the middle. The new eps are titled as follows: 1) The Robot Revolution, 2) Lux, 3) The Well, 4) Lucky Day, 5) The Story & The Engine, 6) The Interstellar Song Contest, 7) Wish World, and 8) The Reality War.The episode titles were announced with spiffy motion title cards teasing whats to come in each. Click on the links below to see them, and pay particular attention to a teensy caption at the bottom of the read-out screen in the one for The Robot Revolution, which appears to say: Planet Belinda. We know that Varada Sethus new companions name is Belinda Chandra, and The Robot Revolution will be her first adventure with the Doctor. So, whats this planet business all about? A coincidence, or a hint that this apparently Earth-based medical companion (she introduces herself as the nurse in the series 15 trailer) has more to her than meets the eye?Episode 1: The Robot RevolutionAir date: 12 AprilGuest-starring Evelyn Miller, and featuring some shiny, red and lethal-looking robots, this episode will be our introduction to new companion Belinda.Episode 2: LuxExpected Air date: 19 AprilSet in 1950s Miami, this episode features the voice of guest star Alan Cumming as a cartoon character who steps out of the screen.Episode 3: The WellExpected Air date: 26 AprilThe Well is rumoured to be this series scariest episode and to feature guest star Rose Ayling-Ellis.Episode 4: Lucky DayExpected Air date: 3 MayJoin our mailing listGet the best of Den of Geek delivered right to your inbox!Were back with Millie Gibsons Ruby Sunday and UNIT in this episode featuring a spiky monster and new guest star Jonah Hauer-King. Is he playing podcast host Conrad Clark?Episode 5: The Story & The EngineExpected Air date: 10 MaySet in Nigeria, this episode is rumoured to feature the spider god Anansi.Episode 6: The Interstellar Song ContestExpected Air date: 17 MayGuest-starring Rylan Clark, this one features Anita Dobson as Mrs Flood, alongside guest star Kadiff Kirwan, and is set at the final of the 803rd Interstellar Song Contest.Episode 7: Wish WorldExpected Air date: 24 MayThought to be the first of a two-part finale, Wish World looks like its continuing the fantasy theme set up by the arrival of the Toymaker and Fourteen making his salt circle at the edge of the universe.Episode 8: The Reality WarExpected Air date: 31 MayWhat do you need for a reality war? A reality bomb? Probably not, but great title nonetheless.Doctor Who series 15/season two arrives on Saturday April 12 on BBC iPlayer at 8am UK time and BBC One in the UK, and on Disney+ at 12am PT around the world.