Source: CBBC
9. Fossil
27-02-2020
CBBC
All episodes
12. The Phantom Sub
11. Monster Hunter
26-02-2020
8. The Test
25-02-2020
10. Colossal Squid
7. Captured
24-02-2020
6. Lonesome Jim
20-02-2020
5. The Devil's Sea Mystery
18-02-2020
4. Digging Deeper
17-02-2020
3. A.i.m.y.
14-02-2020
25. Loki's Castle
13-02-2020
20. The Sirens Song
21. Bad Luck Fish
23. Bloop
22. Strange Migration
2. The Dark Orca
Series 2: 4. Treaturous Waters
Series 2: 12. Thunder And Lightening
