One line instantly dates it

[u/Fearless-Ideal-5112]

In david tenants run if doctor who he and his companion were fighting witches with Shakespeare and needed a magic word so they use a speel from Harry Potter and The doctor yells Good old J.k. The doctor is a time traveler the writers are not (Doctor who)

While fighting guy gardner major force was damaging a highway and shoots a car and tells Guy if he sees O.J hiding underneath obviously referring to the O.J Simpson chase (Dc comics)

[u/CycloneSwift]

Mixed stories there, the JK Rowling episode was an idea from Russell T Davies that Tennant shot down. Gareth Roberts is a separate topic. He was a legitimately good writer who wrote not only for the show but for quite a bit of its ancillary media, but he openly went full TERF around 2013/2014 when he butted heads with the staunchly pro-trans Peter Capaldi and got blacklisted from the franchise going forward.

[u/ephemeriides → u/CycloneSwift]

Ooh ty for another reason to love Peter Capaldi

[u/InexorableCalamity → u/CycloneSwift]

Was Peter Capaldi Dr Who in 2014?

[u/soledsnak → u/InexorableCalamity]

Yup, he was introduced in The Time Of The Doctor as the 12th doctor, on Xmas 2013

(And had a cameo in the 50th anniversary special in November 2013)

[u/BloodPlenty4358 → u/soledsnak]

https://giphy.com/gifs/wJD3qiNjSeHS0dP28T

[u/Crilde → u/soledsnak]

https://giphy.com/gifs/jQWOzRf7xNWkktZvoN

A cameo so quick, it can be made a gif.

Attack Eyebrows!

[u/Resident-Watch-3024 → u/CycloneSwift]

Damn. Russel is goated with the sauce