Supergirl

Season 1 Episode 18: Worlds Finest

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.

Genre:

Drama, Sci-Fi & Fantasy, Action & Adventure

Seasons:

6

Episodes:

126

Actor:

Melissa Benoist, Chyler Leigh, David Harewood

Quality:

HD

Status:

Ended

First Air:

2015

IMDb:

7.3