Supergirl TV Show Schedule
  • Series Supergirl
  • Name Worlds Finest
  • Sea/Ep S01E18
  • AirDate 28 March 2016

Worlds Finest :   Season 1 Episode 18

Aired:   1561 days ago


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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