Eagle-eyed Harry Potter fanatics have reason to believe Rupert Grint never actually attended the recent TV reunion special in person after spotting a tiny continuity flaw.
Fans were delighted when the one-off show, titled Harry Potter 20th Anniversary: Return to Hogwarts, aired on HBO on New Years Day.
The special brought together the actors and crew of the smash-hit franchise for an emotional trip down memory lane, featuring behind-the-scenes footage and interviews.
However, since it aired, viewers have been quick to call out errors they noticed in the two-hour special including Oliver and James Phelps, who played the Weasley twins, being credited the wrong way round for their parts.
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