Will Sherlock and Watson split?

Sherlock encourages Watson to assist her former patient in hopes of satiating her professional wanderlust.

ROB DOHERTY:A summer has passed for Sherlock and Joan, just as it has for us.

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Credit: Michael Parmelee/CBS

So we are picking up with them a couple months after the end of the fourth season.

Is that a season-long threat?

not a season-long threat.

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Its just that were picking something up in progress, which is a little unusual for us.

Its an opportunity to join them midstream.

What can you say about new threats they will be facing?

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Let me talk to you about Shinwell Johnson.

I guess thats not a threat are you looking for cases?

Will you be getting back to cases-of-the-week more?

We will be in the beginning.

And yes, well have a string of very interesting, high-concept standalone cases.

With Shinwell reforming, how is that going to affect Sherlock?

But weve never spent a lot of time with a criminal trying to repair himself.

So all of that will resonate with Sherlock and Joan, who have their own tortured histories.

Its something we want to touch on over the course of the season, but there arent immediate plans.

Well find the right time to if not catch up with Moreland himself, then his exploits.

Any chance to bring Natalie Dormer back as Moriarty?

Set the scene of Sherlock and Joans working relationship this year.

Any new challenges for them?

Any chance to see some love interests for Joan and Sherlock?

In our finale interview, you hinted at a possible wedding.

In terms of Gregson, is that something we may see?

I think there is a very strong possibility.

I can promise that were going to see that relationship continue to evolve and advance.

So wedding bells may be ringing then?

We loved that story last year.

Were excited to see her in the third episode.

Whats next for Bell?

Elementaryreturns Sunday at 10 p.m.