Back in April,Greys Anatomyfans were shocked when their beloved Derek Shepherd was killed in a car accident.

Or rather, he was killed by the horrible doctors who couldnt save him after the car accident.

Either way, after his final episode, Patrick Dempsey sat down exclusively with EW to discuss his exit.

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Credit: Kelsey McNeal/ABC

Revisit that conversation below.

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ENTERTAINMENT WEEKLY: This doesnt make any sense.

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Kelsey McNeal/ABC

Didnt you just sign a two-year contract extension last year?

Patrick Dempsey:Yes.

(Pauses) It just sort of evolved.

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Frank Ockenfels/ABC

Its just kind of happened.

It really was something that was kind of surprising that unfolded, and it just naturally came to be.

Which was pretty good.

I like the way it has all played out.

When did you find out you would be written off the show?

Things happened very quickly, where we were like, Oh this is where its going to go.

It just sort of unfolded in a very organic way.

I dont remember the date.

It was not in the fall.

Maybe February or March.

It happened very quickly.

No, not really.

It was just a natural progression with the way the story was unfolding.

It was like, Okay!

This was obviously the right time.

How long did it take to shoot your last episode?

It was spread out over almost three weeks.

Everyone knew it was my last episode.

Some of it was shot at the studio, and some on location.

You posted a picture on Instagram of you standing on a ferry.

Was that meant to be a red herring?

Its such a big symbol for Derek.

Ferry boats are a place of freedom and tranquility.

We dont really get to go on location that much.

I only tweet when I feel like it, and on what moves me.

I was really inspired by being in Seattle.

I wish we shot more there.

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Did you cry on your last day?

Im still processing it.

This is part of the mourning process, the post-Greysexperience.

How was the final day?

It was like any other day… just another work day.

There was still too much going on.

Youre in the midst of it, not really processing it.

What did you imagine the last day of a TV would be like for you?

I never thought about it.

You are always trying to be present.

Did you go back and grab anything from the set?

I dont need that.

I have it inside.

I dont need to have anything material to make me remember [my experience].

Did you think the story would leak?

How can it not?

I thought it was going to be really tough to keep it quiet.

The crew did a great job, and the cast.

The guest players who came in were very supportive and very moving to work with.

Looking back, what are your favorite moments?

Its a blur, its so intense.

The pilot was great.

Everybody had these great moments.

You realize how powerful an ensemble can be, and it was that collective that made it successful.

Not just one individual.

How did this role change your life?

The energy would change when you went into a room.

It was like, Oh they are talking about me.

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Did women get crazy around you?

And it happened within a 30-day period.

Im glad I had the experience to handle it, because its very heady.

Describe what it was like working with Ellen Pompeo.

(For the first time in the interview, Dempsey tears up.

He pauses before speaking.)

Were like a married couple.

Its 10 years, and it was magic from the beginning.

This is going to kill the fans.

I think it will be very shocking, the way it happens.

Its really going to be powerful.

But life is like that.

Shepherd is a beloved character.

People dont want to lose him.

Hes been in their lives for over 10 years.

But it goes on, and it will evolve.