ABC's hit crime series, Castle, continues to garner speculation on just how Castle's (Nathan Fillion) marriage proposal to Beckett (Stana Katic) will pan out. Season 3 ended on a cliffhanger with Castle waiting for Beckett's answer.

While it appears she's inclined to say yes to the holy union, there's currently an offer for a big career opportunity in Washington, D.C., which will serve to make her decision more difficult.

While promoting her new movie CBGB, Katic recently spoke to Zap2it about the rationale behind the Beckett and Castle's romance.

"I think they've been through a lot over the years ... And so it's justified in so many ways. Like, if they don't know by now that they're in love with each other, I think that we've missed the boat," she said.

Carter Matt reported that Beckett's answer to the proposal should be coming fairly early during the program's September premiere.

Although no airdate has yet to be made official, all indications point to the show starting up again on either Monday, September 23 or the following week, stated the website. Be sure to keep checking back for more of the latest details on the popular ABC series.

A fan-made trailer portraying the upcoming season can be watched below.

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Castle, ABC, Television