Tremors
- Episode aired Nov 17, 2019
- TV-PG
- 42m
Supergirl finally learns the truth about Lena while tangling with Leviathan; J'onn J'onnz makes a discovery about his brother's whereabouts.Supergirl finally learns the truth about Lena while tangling with Leviathan; J'onn J'onnz makes a discovery about his brother's whereabouts.Supergirl finally learns the truth about Lena while tangling with Leviathan; J'onn J'onnz makes a discovery about his brother's whereabouts.