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Arthur 3: The War of the Two Worlds
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You can watch Arthur 3: The War of the Two Worlds (2010) for free on Plex.
With Maltazard now seven feet tall and Arthur still two inches small, our hero must find a way to grow back to his normal size and stop the Evil M once and for all, with the help of Selenia and Betameche.
Trailer
Director
Luc Besson
Cast
Freddie Highmore, Mia Farrow, Robert Stanton, Penny Balfour, David Gasman, Antony Hickling, Dashiell Eaves, Joseph Rezwin, Cooper Daniels, Ron Crawford
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Arthur 3: The War of the Two Worlds
You can watch Arthur 3: The War of the Two Worlds (2010) for free on Plex.
IMDb
5.8/10
RT Critics
20%
Director
Luc Besson
Cast
Freddie Highmore, Mia Farrow, Robert Stanton, Penny Balfour, David Gasman, Antony Hickling, Dashiell Eaves, Joseph Rezwin, Cooper Daniels, Ron Crawford
4 options ranked by value · 🇺🇸 United States
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Watch Arthur 3: The War of the Two Worlds for free on Plex. Watch Arthur 3: The War of the Two Worlds for free on Plex Channel. Watch Arthur 3: The War of the Two Worlds for free on Fawesome. Watch Arthur 3: The War of the Two Worlds for free on The CW. Availability last verified May 24, 2026.