I think the people that like the Flash enjoy that.
[With this episode], I think the biggest challenge is, is it good?
I think thats a huge thing people forget some times.

Jeff Weddell/The CW
Is it fun to watch?
Does it grip you?
I think we came up with a very streamlined scrip that has a really good pace and moves along.

Tom Cavanagh directing the 100th episode of ‘The Flash.'.Jack Rowand/The CW
The Barry-Nora storyline was very much an example [of that].
Those things are separate, and yet theyre depending on each other, they have to be together.
We took a shot at having this seminal father-daughter moment.

Jeff Weddell/The CW
Its one of the highlights, to me, of the show.
Im extremely, extremely proud of both of them.
It was a real, real pleasure to watch.
I think that was a very enjoyable thing to do.
The nicest thing for them is that they did do it together.
They do it so well.
Theres something beautiful about it.
In the promo, we saw that youll be playing the Thawne version of Harrison Wells again.
What was it like revisiting that version of Harrison Wells?It feels very natural to me.
Thats the reason I signed onto the show, so its never that far away.
Its just very, very familiar.
It just feels very natural.
Does that make sense?
Its like, Yeah, this is exactly right.
The promo also includes Savitar and Zoom.
When you found out you were directing the 100th episode, did you go back and rewatch old episodes?
Theres323 [Finish Line],217 [Flash Back].
Im starting to list them, but I really dont want to list them.
Theres no way around it.
Oh, Im going to change this, going to change that.
The Flashairs Tuesdays at 8 p.m. on The CW.