This episode explores what could have been if David had made different, usually worse, choices.
Legionstands among the most consistently fascinating high-concept dramas on television, but its not without its flaws.
The singing mouse can stay.

Credit: Suzanne Tenner/FX
The conceit of Chapter 14 is a multiverse exploration (infinite Davids, Morty!)
thatLegion, usually so proudly self-aware in its outlandishness, plays with misplaced earnestness.
A series of vignettes unfold in which different decisions David and Amy make branch out into dramatically divergent realities.
The first alternate David to be introduced is a barking caricature of a homeless man.
Two scenes that define the arc of this David are attacks.
David, seemingly involuntarily, disintegrates them.
Later, the second attack arrives when David is tracked down by Division 3.
So ends homeless David.
The noble intention of saving a client from a toxic merger leads to a lifelong campaign of self-aggrandizement.
Yet he still imagines himself a godlike leader.
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Between these two extremes are several other David iterations.
His pills make him sluggish, but he agrees to take them to prevent himself from hurting Amy.
When Amy arrives and tries to get David set free, things take a gruesome turn.
Despite fanciful distractions like this, the mundanity of his life eventually leads this David to start sniffing glue.
Given more time, these themes could have been addressed in unprecedented and profound ways.