5 MASSIVE Plot Holes in Harry Potter and the Half-Blood Prince

Harry Potter Theory · Jun 15, 2026 · 24m

Hey everyone, welcome to another installment of Harry Potter Theory. So far in this PLOT HOLE series we’ve covered every book up to this point — Philosopher’s Stone, Chamber of Secrets, Prisoner of Azkaban, Goblet of Fire, and Order of the Phoenix. And now we arrive at Half-Blood Prince.

Topics Covered In This Video:

Harry Potter and the Half-Blood Prince plot holes explained

Biggest Harry Potter plot holes and continuity errors

Half-Blood Prince lore mistakes and unanswered questions

Wizarding World inconsistencies explained

Why Half-Blood Prince creates major worldbuilding problems

The…