Animal underdogs with surprising skills, from the mantis shrimp's powerful punch to the fearsome snake-fighting honey badger.
Greg, Ed, Brian and Chris work to install a giant pond for Tony and Shari, who want a larger home for their koi fish.
In the mountains, the team try to replicate a brown trout stream in a client's garden. In LA, they build a healing space for a cancer survivor.
Headless kangaroo carcasses suggest an extinct animal survives, dead sardines pack a California harbour, and blue herons flee their nests.