Kwazii and Dashi become entangled in a strange deep-sea creature - a siphonophore - and when a geyser blasts it toward the surface, the Octonauts must stop its ascent before it fatally bursts.
A dangerous tidal wave washes all the fish up in the trees, which is also a big problem for the poison dart frogs who don't have enough puddles up in the trees for the tadpoles. Luckily, Tweak's new Gup-H is ready to help.
Molly, a paranormal con artist who cleans people of their valuables instead of their demons, accidentally rips off a Drug Kinpin. She now has to save her kidnapped partner and herself while battling through the under belly of Los Angeles.
A couple buy a beautiful home in an upper-class neighbourhood where a murder-suicide occurred. However, when strange events begin to happen, they soon suspect their new neighbour may have played a part in the killings.
