I am looking for a word. Film makers do it, it's like a metaphor/allegory

Synergy?

Echo seems like what you’re going for. Or something like* reflection.*

It’s just symbolism.

Let Gedeon Maheux explain it.

Amazing article! :slight_smile:

foreshadowing?

Visual pun, perhaps?

Perhaps you’re thinking of the word “homage,” but if so you misunderstand what it means:

Could they have said the pool “exemplified” the meth?

I think at this point our best bet for an answer is for the OP to google reviews of the episode and find the one s/he originally read.

You owe us now! LOL!

Rebus? Ditloid? These are not the words you’re looking for, but may evoke (heh) terrible memories of certain threads similar to this one…

Antithesis?

From the AV Club review: “That’s not a plan. That’s an ideology.”