Before the long-awaited Harry Potter TV series arrives, there's no better time to revisit the saga that defined a generation.
The first trailer for the Harry Potter TV series has broken HBO records, more than doubling the previous high set by Euphoria. But does that make it the most-watched trailer of the year?
The Harry Potter and the Philosopher's Stone TV series trailer shatters HBO records with 277M views, doubling Euphoria's peak. But is it the most-watched trailer this year?
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