Warning: This article contains spoilers fromAgatha All Alongepisode 5, “Darkest Hour / Wake Thy Power.”
“It’s so nice.
I feel like I’m breathing.

Joe Locke’s Billy on ‘Agatha All Along’.Marvel
The previous night, though, was a different story.
The young Julian Hilliard played kid Billy inWandaVision.
Locke is well aware of that inclusion.

Joe Locke’s Billy unveils his Wanda-esque crown on ‘Agatha All Along’.Chuck Zlotnick/Marvel
He took four doses of melatonin the night of the big reveal to get to sleep.
“I’m in the U.K.
The episode drops at 2:00 a.m.” he says.
There were also clues on the show itself as the first few episodes started streaming.
Now that the audience is hooked, “The show starts getting real,” he continues.
“The show starts with Billy being very much the familiar, the secondary to all the witches.
Now we know he is also a witch, and that changes things.
Also, we now know that he has the ability to cause harm to them.
Therefore, he is now the most powerful person on the Road.
A new midseason trailer forAgatha All Along(released after this article was originally published) teases that backstory.
We played a lot with, does that make him a bad person?
Is he a good person?
Which then draws parallels to the motherly figures in his life.
Wanda does evil things but isn’t necessarily evil.
Agatha, questionably, is evil, but there’s more to that, as well.
This is the stuff that I found so interesting in playing him.”
I’m sure someone does.”
This article was updated with the release of a midseason trailer forAgatha All Along.