Supergirl Must Track Down Serena On The First Part of 'Supergirl' Season Finale

Supergirl (Melissa Benoist) looks worried and angry all at once in this new still from tonight’s all-new episode of Supergirl.

In the first part of the season finale, “Make It Reign”, Supergirl (Melissa Benoist) learns the true depth of Serena’s (Anjali Jay) nefarious plans for Earth; and she, Mon-El (Chris Wood) and Alura (Erica Durance) must devise a plan to stop her before Serena gets to Earth.

Meanwhile, J’onn (David Harewood) prepares to say goodbye to his father (Carl Lumby).

Supergirl airs TONIGHT, June 11th @ 8PM ET/PT on The CW.