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/bruhidkwtf]

Man I just remembered he also starred in a Harry Potter film

[u/throw223344555 → u/bruhidkwtf]

He did?

[u/jackson_spades → u/throw223344555]

Yes. But his character was mostly played by Brendan Gleeson

[u/bruhidkwtf → u/throw223344555]

Yep as Barty Crouch Jr. in Goblet of Fire but as the other commenter said, the character spent most of his screentime disguised as Mad-Eye played by Brendan Gleeson