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Harry Potter Bloopers So Funny They Had to STOP FILMING

16 min videoNov 5, 2026Skippable

The funniest filming mishaps came from cast pranks, flubbed lines, and awkward scenes that broke the actors’ concentration.

  • Emma Watson often mouthed other actors’ lines, causing takes to be stopped and restarted.
  • Daniel Radcliffe was pranked with a fart machine hidden in his sleeping bag during a scene.
  • Tom Felton accidentally stepped on Alan Rickman’s cloak and later drew an unflattering portrait of him.

It is mostly a rapid montage of anecdotes, with little practical detail beyond the notes. · Best for: Harry Potter fans interested in cast stories and behind-the-scenes bloopers.

A compilation of cast interviews and on-set clips about pranks, forgotten lines, awkward scenes, and mishaps during the Harry Potter films.

On-set pranks and playful cast moments0:00

  • Daniel Radcliffe recalls Michael Gambon pressing a fart machine hidden in his sleeping bag during a take.
  • The young cast joke around on set, and the production has to repeat scenes.

Emma Watson’s line-mouthing habit3:59

  • Watson says she would mouth the next actor’s lines and was repeatedly told to stop because it ruined takes.
  • She and Radcliffe also joke about teasing one another and an awkward scene together.

Awkward scenes and friendships7:29

  • Watson recalls that filming the Ron-and-Hermione kiss felt difficult because she and Rupert Grint could not take it seriously.
  • The video also shows friendly moments between Radcliffe and Tom Felton, despite their characters’ rivalry.

Alan Rickman stories and set mishaps10:29

  • Felton says he was warned not to step on Rickman’s cloak; he accidentally did so during a take.
  • Grint recalls drawing an unflattering picture of Rickman, who reportedly kept it and asked Grint to sign it.

Other accidents and the films’ legacy12:53

  • Jason Isaacs recalls accidentally injuring Felton with the fangs on Lucius Malfoy’s cane during an early scene.
  • Robbie Coltrane jokes about Hagrid’s facial hair, then reflects that the films would be watched by future generations.

Notes are AI-generated from the video's transcript and may miss nuance.