John Churchill

When four men from Oregon go missing, the team looks for a common link; J.J. is upset when her son doesn't want to celebrate Halloween.

The team reviews the 1966 shipboard killing of a young woman previously thought to have jumped overboard; Maj. Kitchener (Daniel Baldwin) stands trial for running Rush's car off a bridge.

Supergirl's powers are tested when Reactron (guest star CHRIS BROWNING), one of Superman's formidable enemies, arrives in National City and targets the young hero. Also, Cat plans to run an expose on Supergirl.