The Adventure of the Enchanted Bark is a comic reversal in which Don Quixote treats an unattended riverboat as a summons to heroic rescue, and the ordinary current of the Ebro River carries him and Sancho Panza toward real danger. His vision of enchanted transport turns fishermen’s property and working watermills into elements of a romance; Sancho’s practical warnings cannot dislodge it. The adventure ends not with a rescued captive but with the boat smashed, its owners compensated, and the two travellers back on shore.

The boat as a chivalric summons

Two days after leaving the grove, Don Quixote and Sancho reach the Ebro River. The sight of the river pleases Don Quixote and recalls his experience in the Cave of Montesinos. Although Master Pedro’s ape had said that some of what Don Quixote reported was true and some false, Don Quixote leans toward believing the vision; Sancho, by contrast, regards it as entirely untrue. Their different ways of handling uncertain evidence are already in place before the boat appears.

At the water’s edge, the travellers find a small boat tied to a tree. It has no oars or other equipment, and no one is there. Don Quixote dismounts from Rocinante and orders Sancho to get down from Dapple and tie both animals securely to a tree. He takes the boat’s presence as an unmistakable invitation: a knight or other person of importance must be in distress, and enchanted transport has been provided so that he can reach them. In the romances he follows, a knight in need may be carried across vast distances by a cloud or a boat; Don Quixote makes that convention the explanation for the boat before him.

Sancho obeys, but not without stating his contrary judgment: the craft belongs to local fishermen, who use the river to catch shad. Don Quixote answers that the enchanters who arrange such journeys will also look after Rocinante and Dapple. The gap between them is practical as well as imaginative. Sancho sees two animals left behind and a boat with no visible means of steering; Don Quixote sees a mission whose destination and beneficiary have not yet been revealed.

A voyage made of guesses

Once the animals are tied, Don Quixote calls for them to embark and cast off. The boat drifts from the bank, carried by the river rather than by any force he can command. When they are only a short distance out, Sancho trembles. What troubles him most is seeing Dapple bray and Rocinante struggle to get free, and he weeps at the thought of leaving them. Don Quixote scolds him for fear and describes their position as though they were already crossing a vast expanse, even speculating that they have travelled hundreds of leagues and may be near the equinoctial line.

That imagined distance has no counterpart in the scene: the boat has drifted only a little way from the bank. Sancho’s fear, his concern for the animals, and Don Quixote’s inflated estimates set the scale of the adventure against the scale of what is actually happening. The boat moves quietly down the river, and Sancho even dips his hand into the water. Nothing suggests that an invisible power is guiding it; its movement follows the current.

The decisive misreading comes when they see large watermills standing in the river. Don Quixote identifies them as a castle or fortress where a knight, queen, or princess is being held. Sancho tells him they are mills for grinding corn. Don Quixote does not accept the correction. He explains the difference between appearance and reality through enchantment: things may seem to have changed their shape, as he believes happened to Dulcinea del Toboso. His explanation lets the rescue story survive direct contradiction. The mills can look like mills and still, in his account, conceal a prison.

The current overtakes the imagined rescue

As the boat approaches the mills, it begins to move faster toward the pull of their wheels. The millers hurry out with long poles to stop it. Their faces and clothes are covered with flour, and they shout warnings, asking where the travellers are going and whether they mean to drown or be broken against the machinery. Don Quixote instead interprets them as the dangerous opponents required by his imagined adventure. Standing in the boat, he threatens them and demands that they release whoever is supposedly imprisoned in the fortress.

The millers cannot make sense of his challenge and continue trying to stop the boat. Sancho falls to his knees and appeals to heaven. Their immediate peril is ended by the millers’ quick action: they push the boat away from the wheels with their poles. In doing so, however, they overturn it, throwing Don Quixote and Sancho into the water. Don Quixote can swim, but his armour pulls him under twice. The millers plunge in and haul both men out; without their intervention, the two could have drowned.

Once ashore, Sancho kneels again and prays that he may be spared his master’s rash undertakings. The owners of the boat arrive to find it broken by the mill-wheels. They strip Sancho and demand payment from Don Quixote. He is willing to pay, but makes his offer conditional on the millers producing the people he believes are being held in the castle. They reply that there is no castle or captive there: the people come to the mills to grind corn. The correction is plain, but Don Quixote preserves his account by deciding that rival enchanters have thwarted one another’s plans. In his explanation, one provided the boat and another upset it, so the failed rescue becomes evidence of competing magic rather than evidence that there was no rescue to perform.

The cost and the return

Don Quixote abandons the attempt to free imagined prisoners and apologizes to whoever may be confined in the mills, saying that the adventure must be destined for another knight. The fishermen still have a real loss to settle. Don Quixote pays them fifty reals for the wrecked boat, and Sancho hands over the money reluctantly, remarking that a couple more such boat incidents would sink their whole capital.

The fishermen and millers stare at the pair, unable to understand Don Quixote’s speeches and questions. Taking the travellers for madmen, they return to their work and homes. Don Quixote and Sancho go back to Rocinante and Dapple, and the adventure ends where its practical consequences have been waiting: with the animals, the damaged boat, and money paid for an imagined rescue. The episode’s comedy depends on the unequal authority each man gives to his interpretation. Don Quixote turns ordinary objects and warnings into parts of a chivalric plot; Sancho sees the danger, suffers its consequences, and still follows his master into it. The boat does not carry them to another realm. It carries them only far enough for the current, the millers, and the broken craft to make the cost of the mistake unmistakable.