Supergirl
Tuesdays 9:00 PM on The CWWatch Supergirl Season 1 Episode 18 online via TV Fanatic with over 1 options to watch the Supergirl S1E18 full episode. Affiliates with free and paid streaming include Amazon.
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Episode Details
On Supergirl Season 1 Episode 18, Kara gains a new ally when The Flash suddenly appears from an alternate universe and helps Kara battle Silver Banshee and Livewire.
- Show:
- Supergirl
- Season:
- Supergirl Season 1
- Episode Number:
- 18