Worlds Finest
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.
Episode Details
Air date, runtime, timezone, and episode position.
Season
1
Episode
18
Air Date
28/Mar/2016
Air Time
20:00
Runtime
43 min
Overview
Episode summary.
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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