18. Worlds Finest (2016)
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.
Release date: 2016-03-28
User rating:
7.33 / 10
39 votes
Season number: 1
Episode number: 18
Runtime: 43 minutes
Director: Nick Gomez
Guest stars
Jenna Dewan
as Lucy Lane
Chris Vance
as Non
Brit Morgan
as Leslie Willis / Livewire
Harriet Sansom Harris
as Sinead
Grant Gustin
as Barry Allen / The Flash
Christopher Showerman
as Tor
Italia Ricci
as Siobhan Smythe / Silver Banshee
Jay Jackson
as News Anchor
Sarah Robson
as Dr. Amelia Hamilton
Dan Warner
as Fire Chief
Dawn Greenidge
as Pedestrian Woman
