The instalment, aptly titled The Woman Who Fell To Earth, saw the Doctor meeting new companions Ryan Sinclair (Tosin Cole), Yasmin Khan (Mandip Gill) and Graham O'Brien (The Chase UK host Bradley Walsh) after falling from the sky - and realising she was a woman.
He and Strevens wanted it to be "an access point" for people who are starting to watch for the first time - "a recruiting video for a whole new audience".
What did the Whovians make of it?
Last night's intro to the new Doctor also concluded with a run-down of the guest stars for the series ahead, among them Sex and the City star Chris Noth, Lee Mack, Julie Hesmondhalgh and Alan Cumming. That first episode was watched by an average of 9.9 million.
"Introducing the all-new #DoctorWho Barbie doll inspired by the iconic series' Thirteenth Doctor", says the fashion doll's Twitter page.
And you can also check out more Doctor Who stories from RadioTimes.com including.
"It was a feeling", she said, more than a specific look.
But by far the dominant conversation has been about the fresh, brand new 13th Doctor.
British tabloid The Daily Mail published two reviews - one positive, one negative.
Jodie Whittaker has stepped into the shoes of the Doctor, replacing Peter Capaldi as the Time Lord (now Lady) and getting a few new friends in the process.
"Don't imagine [Whittaker] is an actress shoehorned into the part by a BBC hierarchy obsessed with gender awareness. This show needed a major change, and that's what she brings". I ask Whittaker to help me understand how her Doctor will be different, by asking if she could distill her Doctor to just one dominant trait, boil her down to one aspect what it would be.
While The New York Times said the first episode did not pop as much as previous seasons had, Lucy Mangan in The Guardian said the episode revived a show that had become to complex and self-involved.
The Evening Standard added that "Whittaker is energetic and eccentric".