Source: CBBC
Series 2: 13. The Gates
15-08-2018
CBBC
All episodes
Series 2: 12. Thunder And Lightening
14-08-2018
Series 2: 11. The Missing
13-08-2018
Series 2: 10. Whale Of A Time
10-08-2018
Series 2: 9. The Maze
09-08-2018
Series 2: 8. Hidden Secrets
08-08-2018
Series 2: 7. Beware The Sentinels
07-08-2018
Series 2: 6. Finn Comes Aboard
06-08-2018
Series 2: 5. Kenji's Monster
03-08-2018
Series 2: 4. Treaturous Waters
02-08-2018
7. Captured
05-07-2018
Series 2: 3. Mermaids
01-08-2018
20. The Sirens Song
24-07-2018
4. Digging Deeper
02-07-2018
13. The Abyss Stares Back
13-07-2018
8. The Test
06-07-2018
22. Strange Migration
26-07-2018
