The Destination is Racing Snail Island. The Mission is to ride the Racing Snails, but a Cog Caterpillar is blocking the track. Mouse transforms to chase after a runaway cog; Rex transforms to lift the cogs back into place; Komodo transforms to screw the cogs on tightly. When the caterpillar is repaired the track is cleared, the race begins but it is run at a snail's pace.
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Ready to Watch Animal Mechanicals, Season 1, Episode 15?