12:20Dragons: The Nine RealmsSeries 2In Too DeepCBBC Sat 1st Jun 2024, 12:20 on CBBC ChannelAvailable for yearsThe Riders 'borrow' the bathysphere to rescue a dragon from the Giant Realm Sea.GenresChildren'sBrandDragons: The Nine RealmsSeriesDragons: The Nine Realms: Series 2 Source: BBC Online