Plot: When a sardine swallows the key to a treasure chest, a humpback whale helps Kwazii track it down.
Cast
Keith WickhamKeith Wickham was 48 in Octonauts - Season 3 - The Humpback Whales (Episode 5).
Birthday: Tue, Feb 09 1965
Simon GreenallSimon Greenall was 55 in Octonauts - Season 3 - The Humpback Whales (Episode 5).
Birthday: Fri, Jan 03 1958
Jo WyattJo Wyatt was 42 in Octonauts - Season 3 - The Humpback Whales (Episode 5).
Birthday: Mon, Sep 28 1970
Rob RackstrawRob Rackstraw was 47 in Octonauts - Season 3 - The Humpback Whales (Episode 5).
Birthday: Sun, Oct 31 1965