Source: CBBC
23. Bloop
10-07-2020
CBBC
All episodes
22. Strange Migration
09-07-2020
21. Bad Luck Fish
07-07-2020
20. The Sirens Song
06-07-2020
19. The Proteus Factor
03-07-2020
18. Field Of Giants
02-07-2020
17. The Sunken Gallery
30-06-2020
16. Tunnel
29-06-2020
15. Treasure Of The Islanders
26-06-2020
14. The Junior Nektons
25-06-2020
Series 2: 4. Treaturous Waters
17-04-2020
Series 2: 12. Thunder And Lightening
04-05-2020
3. A.i.m.y.
04-06-2020
Series 2: 3. Mermaids
16-04-2020
6. Lonesome Jim
09-06-2020
25. Loki's Castle
07-04-2020
Series 2: 2. The Baltic Sea Anomaly
15-04-2020
Series 2: 13. The Gates
05-05-2020
11. Monster Hunter
19-06-2020
