After five years on the air and the whole "will they, won't they," aspect of "Castle," followed by what felt like the longest engagement ever, Richard Castle and Kate Beckett finally said, "I do ...

Stana Katic once revealed what she really thought about Kate Beckett finally getting together with Richard Castle in ‘Castle’.

Did Castle and Beckett end up together? Yes, Castle and Beckett did end up together in the series finale of Castle. Their characters finally got together during Season 4 and tied the knot in Season 7.