Later in the series, the Falcon is revealed to be a robot, created by Dr. Julien as a companion for Zane, who was a robot himself. From then on, it became a direct ally of the Ninja, serving as Zane's pet and a long-range scout.
In Season 5, the Falcon was updated to have a shiny titanium exterior, similar to Zane when he becomes the Titanium Ninja. Why it was updated is a mystery.
The Falcon first appeared outside the Monastery of Spinjitzu, perched on a tree near the dumpster out back. It copied Zane's movements when he came to take out the trash before flying off. Intrigued by the strange bird, Zane followed the Falcon, allowing the mysterious bird to lead him to Lloyd's Treehouse Fortress in Wildwood Forest.
When the Ninja arrived at the fortress the next morning, they questioned Zane on how he found Lloyd's new base. They were skeptical when Zane explained that he had followed a bird; Jay jokingly asked if it was "a cuckoo bird," but Zane missed the joke, noting that cuckoos were not native to the forest.
After the Monastery was burned down, Zane noticed the Falcon once again while his comrades berated him for leaving their home unguarded. Riding his dragon, Shard, he followed the bird to the Sea of Sand, where he discovered the Destiny's Bounty.
The Falcon appeared in Zane's dreams one night, where it spoke to him from its perch on a powerline. Near the end of the dream, it perched on the Green Ninja's arm, leading Zane to believe that he was destined to become the legendary warrior for he was the one to have seen the falcon.
While the Ninja were putting up signs in Jamanakai Village, Zane spotted the Falcon and convinced his friends to help him follow it. The Falcon led them through different terrain, with each Ninja tiring out and telling the others to go on without them. By the time the bird reached Birchwood Forest, Zane and Kai were the only ones left, and the latter offered to wait for the others at the edge of the forest while he caught his breath. Zane continued to follow the Falcon until it dropped to the ground and began sparking, revealing its robotic nature. As a bewildered Zane picked up the mechanical bird, he noticed a strange symbol on its back.
After fending off the Juggernaut, Zane discovered the same symbol carved into a large birch tree. The symbol marked the doorway of the Hidden Workshop, where Zane found the Falcon's blueprints and used them to repair his robotic friend. As the Falcon flew into the depths of the workshop, Zane also discovered his own blueprints, realizing that he was also a robot. After he viewed his memories (including some of Dr. Julien creating the Falcon), Zane came to terms with his true nature, and the Falcon briefly perched on his arm as he regained his resolve.
While the Ninja were training for the Serpentine attack, Zane demonstrated his use of Falcon Vision as a counter to the special ability of the Venomari. The Falcon accompanied Zane and the others to the Serpentine's Underground Fortress, circling high above the battle. When Zane was sprayed with Venomari Venom, he engaged Falcon Vision to circumvent the hallucinatory effects, allowing him to battle the Serpentine normally.
The Falcon arrived at the Destiny's Bounty with footage of the Serpentine in the City of Ouroboros.
When strong earthquakes sent Ninjago City into a state of panic, Zane sent the Falcon into the city to scout for danger. During its patrol, the mechanical bird spotted a Stone Swordsman wandering around the city, heralding a full-scale invasion of the indestructible warriors. The Falcon retreated to the Destiny's Bounty as the Ninja and the citizens fled the overrun city.
Zane was worried about the Falcon as he had not heard from it in a while, though suddenly his Falcon Vision activated, and he rushed to the bridge and connected his vision to the screen in order to show the Ninja as well.
When the Ninja arrived at the edge of Lord Garmadon's camp to search for the Temple of Light, Zane spotted his Falcon in one of the enclosures. Despite the risk to himself and their mission, he snuck into the camp and retrieved it. He was spotted after grabbing the Falcon, but he and the other Ninja narrowly escaped with the mechanical bird in tow.
Dr. Julien began repairing the Falcon after it was returned to him, continuing to work on it after the Ninja successfully enhanced their powers at the Temple of Light. The mechanical bird was functional once again by the time the Ninja and Misako attempted to steal the Helmet of Shadows from Lord Garmadon. It observed their progress and alerted Nya when their cover was blown, allowing her to drive the Earth Driller to the camp in time to evacuate her allies.
When the Ninja and their allies charged Lord Garmadon's camp, the Falcon flew ahead to scout the area. After the heroes realized that the camp was abandoned, the Falcon led them to a broken section of the wall, where massive tread marks and a path of destruction in the forest indicated that the Garmatron had left for the coast.
Following the Overlord's escape to Ninjago City, the Falcon led the Ninja to the Temple of Light, where they discovered the Golden Mech. It is unknown what happened to the Falcon afterwards, but it seems to have remained on the Island of Darkness while the Ninja set off to confront the Overlord.
Wanting to inform Lloyd and his father about a discovery, the Ninja and Nya sent the Falcon to deliver the message.
When Pythor ate the shrinking pill, the Falcon chased after him. Later, at Zane's funeral, the Falcon perched on the shoulder of Zane's statue.
The Falcon follows Nya and gives out the location of Zane.
The Falcon was at one point updated into a retractable titanium bird that could be stowed within the hand of Zane's titanium body. He was dispatched by Zane to inform Misako of their location and summon her to decipher the secret message on Wu's staff.
The falcon was placed in the grandfather clock and used to play a prank on Cole, who began showing signs of being nervous.
Zane sends the Falcon to keep an eye on Nadakhan but Monkey Wretch finds it and Nadakhan instructs Monkey Wretch to dismantle it.
Due to the events of Skybound never happening, the Falcon is alive, operating and well.
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- LEGO Ninjago: Masters of Spinjitzu
- "Never Trust a Snake"
- "Tick Tock"
- "All of Nothing"
- "Wrong Place, Wrong Time"
- "The Day Ninjago Stood Still"
- "The Last Voyage"
- "Island of Darkness"
- "The Last Hope"
- "Return of the Overlord"
- "Rise of the Spinjitzu Master"
- "The Titanium Ninja"
- "The Invitation"
- "The Day of the Dragon"
- "The Greatest Fear of All"
- "Ghost Story"
- "The Temple on Haunted Hill"
- "The Crooked Path"
- "On a Wish and a Prayer"