What was Operation knightfall?
Operation: Knightfall was an operation that would only take place if Order 66 was activated in whole for all Jedi. Each order was programmed into the inhibitor chip that was planted in all clone troopers brains. Like all the contingency orders, when delivered to the clones, they were to be executed without hesitation.
Did any Jedi return to the temple?
Jedi Masters Yoda and Obi-Wan Kenobi returned to Coruscant where they killed some of the clones who purged the Temple. Following the raid, two survivors of Order 66, Masters Yoda and Obi-Wan Kenobi, received the message ordering all Jedi to return to the Temple and immediately recognized it as a trap.

What is knightfall Vader?
After the duel in Palpatine’s office, the hidden Sith Lord orders his new student, Darth Vader to slaughter the Jedi in the temple. This event became known in Legends as Operation: Knightfall. In Canon, it’s known as the Attack on the Jedi Temple.
When the 501st was finally rotated out of Felucia Aayla Secura made a point of seeing us off personally calling us the bravest soldiers she had ever seen?
“When the 501st was finally rotated out of Felucia, Aayla Secura made a point of seeing us off personally, calling us the bravest soldiers she had ever seen. It’s a good thing we were wearing helmets, because none of us could bear to look her in the eye.”

Did any Padawans survive Order 66?
Kanan Jarrus, popular mostly from the animated series Star Wars Rebels, was another Jedi whose experience of Order 66 was well known. Jarrus, originally named Caleb Dume, was also another padawan who survived Order 66 thanks to the sacrifice of his master, Depa Billaba.
Is knightfall Vader stronger than Darth Vader?
Only legends. Anakin has higher potential and is not limited by the suit while Vader has more experience and mastery over the force.
Did the clones know about Order 66?
All clones were given a behavioral modification biochip that could be activated by remote order via voice command; Supreme Chancellor Sheev Palpatine, for example, only needed to tell clones to execute Order 66, and the order was carried out.
Is the journal of the 501st canon?
TLDR: The 501st journal is canon, and nothing in it really contradicts current canon, if you do a little mental handwaving here and there.
Who is stronger than Darth Sidious?
That said, Vitiate, sometimes better known as the Sith Emperor, is often thought to have been stronger than Darth Sidious thanks to his mastery of the Dark Side of the force which granted him a ridiculously long life.
Was Anakin more powerful than Sidious?
Anakin is not more powerful than Palpatine, and his fight with Obi Wan is evidence of that. Anakin was beaten by Obi Wan and Obi Wan had been sent to fight him because he wasn’t strong enough to face Palpatine.
What happened to Mace Windu’s body?
Anakin severed Windu’s arm before he could kill Palpatine, which allowed the Emperor to unleash a torrent of Force lightning that sent Windu plummeting to his death. After that, nothing more was said or shown about Windu in the Star Wars saga, and what happened to his body is a mystery.