Season 3 starts with Castle being arrested by Beckett as he is a suspect of a murder and he has to prove his innocence. This season also sees several times Castle and Beckett fall in danger because of their investigation. Besides, Castle also suffers from lots of The reunion between Beckett and her old training officer discommode witnessing Beckett reunite and start a romance with her old training officer.
8.0
8.3
8.2
8.2
8.2
8.2
6.7
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5.0
8.2
7.5
8.1