With more and more mermaids and mermen landing at Bristol Cove’s shores, the threat of discovery increases. After his repeated encounters with the siren song, Ben tries to cope with the after-effects. Maddie’s mom returns to town and tries to connect with her daughter. Meanwhile, Ryn attempts to adapt to life on land.
Special Guest Starring
- Maddie's long-lost mother and Dale Bishop's estranged wife, Susan, makes her debut appearance after her ten-month disappearance.
- It is revealed that Donna had had a daughter.
- Another, younger lieutenant has replaced Aldon Decker to further the military's hunt for merfolk; Nicole Martinez, who has attracted the attention of Xander.
- Helen: "There's four of them. Plus the other female from before. What are they doing here?"
- Ben: "There's a disturbance in the ocean: Sound waves."
- Maddie: "They were forced out."
- Ben: "Whoa. What's going on?"
- Ryn: "They Thought I was dead."
- ―Helen, Ben, Maddie and Ryn about the mermaids' arrival on land.
|“||I'll stay. They're my people, too.||”|
- Helen: "She seems lost."
- Ryn: "Sister's baby."
- Helen: "She's Donna's daughter?"
- ―Helen and Ryn about Cami
- ↑ Spoiler TV — "Final Adjusted TV Ratings for Thursday 24th January 2019" (January 28, 2019)
- ↑ 2.0 2.1 Disney ABC Press — "Season 2, Episode 1: The Arrival - Press Release" (January 4, 2018)