Supergirl S1E18: Worlds Finest
- Aired: 2016-03-28
- Time: 20:00:00
- Runtime: 60 minutes
Overview
Supergirl finds herself in a super team-up when a new superhero, The Flash, accidentally crosses dimensions and finds himself in Kara's universe. Together they have to battle Livewire and a new villainess, Silver Banshee.