There's one specific Order 66 theory regarding the clones' inhibitor chips that I've totally accepted as canon, and I can't ...

Order 66, otherwise known as ... outright with the mind-controlled Clone Troopers, or by scaring them into hiding forever, all while he and his Sith-ruled Empire reshaped the galaxy to his liking ...

“The Clone ... troopers’ heads from the moment they were created on Kamino. Fives discovers that these chips are designed to make the clones unquestioningly obey specific commands, including ...