S1·E18 Worlds Finest
Narrative Classification: Standard continuity chapter maintaining character development and season progression.
Synopsis
Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home.
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Director & writers
Guest stars
Frequently Asked Questions
When did Season 1 Episode 18 of Supergirl air?
Season 1, Episode 18 ('Worlds Finest') originally aired on March 28, 2016.
How long is Season 1 Episode 18 ('Worlds Finest')?
The runtime for this episode is approximately 43 minutes.
What happens in Supergirl Season 1 Episode 18?
Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home....