C.G.'s newest task is to experiment with a fast-growing food crop, but Ethan and Emily find this as exciting as watching grass grow.
When the Time Flyer runs out of power, the crew are in danger not only of being marooned 100 million years in the future, but of being stuck in a swamp as well, unless they can figure out how to use the giant descendant of electric catfish for a jump start.
C.G.'s Dad, unaware that she has acquired one as a pet, orders her to investigate the behavior of squibbons, judging them to be the most highly intelligent non-human creatures she has yet encountered.
Out in the fog-shrouded Northern Forest of 200 million years A.D., Luis gets slimed by a megasquid sneezing out an ingested slithersucker. When hypochondriac Luis begins to itch and run a fever, he's convinced he's caught a megasquid disease.
C.G. discovers that Luis has secretly been playing a game with fellow time-travelers in which he leaves behind caches of "treasure" for others to find.
Ethan challenges C.G. to use the chameleon helmet to become one of a troop of future primates
Emily and C.G. become separated from the others on the Great Plateau.
During a trip to the Northern Forest of 200 million years A.D., Emily discovers a baby Squibbon who's been orphaned during a Megasquid attack.
When the Time Flyer crash lands in a barren wasteland, the crew discover that most of their water has been lost in the crash. To locate an underground water source, a miniaturized flight crew follows a garden worm down into a crevice.
Landing on the Amazon Grassland of 5 million A.D., the kids meet one of the last surviving primates, a Babookari.
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