sad, marlin leaves dory and begins to swim back home. poor dory then loses her memory and becomes a little worried, but meets nemo, who has reached the ocean, has no memory of him. as you know, dory's memory is restored again after she reads the word "sydney" on a nearby drainpipe and, remembering her journey, she guides nemo to marlin. after the two joyfully reunite, dory is caught in a fishing net with a school of grouper. nemo bravely enters the net and directs the group to swim downward to break the net, reminiscent of a similar scenario that occurred in the fish tank earlier. the fish, including dory, succeed in breaking the net and escape. after some days, nemo leaves for school once more and marlin who is no longer overprotective after all.