The Arrival
- Episode aired Jan 24, 2019
- TV-14
- 42m
A new threat wreaks havoc as more mermaids land on the shores; Ben tries to cope with the siren song's aftereffects.A new threat wreaks havoc as more mermaids land on the shores; Ben tries to cope with the siren song's aftereffects.A new threat wreaks havoc as more mermaids land on the shores; Ben tries to cope with the siren song's aftereffects.