Fortress of Solidarity: Part 1
- Episode aired Dec 20, 2018
Homesick for the holidays, Supergirl journeys to the North Pole where she runs into Captain Cold.Homesick for the holidays, Supergirl journeys to the North Pole where she runs into Captain Cold.Homesick for the holidays, Supergirl journeys to the North Pole where she runs into Captain Cold.