The Land Before Time All Grown Up XII: Days of the Wisdoms is a 2031 twelveth theatrical movie in The Land Before Time All Grown Up series featuring new cast members and Reba Mcentire who played Etta.
It's almost time for the Day of the Wisdoms for all the dinosaurs in the Great Valley while Littlefoot and his friends Tippy, Ducky, Spike keeps an eye out for arriving guest meanwhile Chomper plays tag with Cera and Ruby who were heading to Littlefoot and the others and when they got to them, they see Petrie and Guido practicing flying and gliding with Glidy ,Elvia, Terya, and Fanga for the Wisdom and Petrie mess up and the gang see a flock of flyers coming to the valley and see other flyers named Alco, Peteino, Queztial, and Geora who were being chased by rogue flyers (Scaphognathus) and was able to help them by scaring the rogues out of the valley.
After being saved by the gang the young flyers meet up with Wingra and his wife Flewa and their daughters Hatza and Zega (Hatzegopteryx) who were worried while Littlefoot meets a new flyer name Zhengo (Zhejiangopterus).
Later, Guido was resting until he meets a female glider named Glila who calls him handsome.
Meanwhile in a different place the flyer elder (Dsungaripterus) announcd that Aero (Aerotitan) is the new leader of the flyer instead of Rhanma (Rhamphorhynchus) who wanted to be the leader and waited for the arrival of Luna and her daughter, Lisdoa and then we'e attack by other rogue flyers who are led by Flapper (Pterodactyl) and Luna orders Aero to get her daughter to the Great Valley to be safe.
Later at the place where other flyers are, Luna's husband and Lisdoa's father Lonmus, along with the flyer elders knew that Flapper and his flock have caused the welcoming ceremony.
Later back in the Great Valley, Littlefoot and Chomper are practicing their wisdoms until the encountered a other flyer who happens to be Etta from the past who was attack by a flock of rogue Sharptooth headed flyers (Dimorphodon).
After Littlefoot and Chomper brought Etta to Littlefoot's home, the rest of the gang showed up and was surprised to see Etta again and their furry friends brought the furry leader to the Great Valley and meets the gang they told him about.
Later Petrie and the others continues to practice flying for the Days of the Wisdoms until they meet Aero and the rest of his flock along with Lisdoa who finally arrived to the valley to see Wingra and Flewa and need to find a place to stay for Lisdoa's mother to come safe and Mr. Thicknose tells Petrie to take them to see Littlefoot who can help them and while the flyer leaders are away Rhanma do things his way by having the flock work for him and finding places to chase the dinosaurs out of their home.
Later, at Littlefoot's home, Littlefoot and the gang along with their friends including Scuttle and Big Daddy and the tiny longnecks were all practicing their wisdoms until Petrie and the others came along the flyer leaders who came to see Littlefoot who can help them and they seem to know Etta and then Littlefoot spotted a different place that's part of the valley they never seen before and that could be a perfect place for their guests until Archie came to warn the other that Aero's flock are chasing the dinosaurs out of their homes and the gang along with the others were able to stop them in time and Aero found out that Rhanma disobeyed his orders.
As the gang and the flyers came to a place for the flyers to stay, Rhanma doesn't like the place that Littlefoot found for the flyers and challenge Aero to a Flyer Challenge for leadership
When the flyers heard that there's gonna be a challenge between Aero and Rhanma, they knew that the rogue flyers will strike the elderly flyers and track down Luna, and will send the best flyers to stop them, and if they fail, they will have to send Littlefoot and the others to do the job.
Later in the Mysterious Beyond, Flapper was furious that someone killed Red Foot and why the flyer elders are still alive and won't stop until he and his flock won't stop until he finds out who it was.
Later at dawn in the Great Valley, Guido meets up with Glila until Littlefoot and Petrie walks by when they heard that flyers are going to stop the rogues soon.
Later at night, the gang went to their homes while Hino stays to keep Etta company, and Littlefoot walks by the spot where he meets again Zhengo who heard all about him and his friends.
In the morning, all the dinosaurs have gathered for the flyer challenge, while Rhanma hired his followers to ambush Littlefoot while he's racing Aero for leadership, and Zhengo and the other flyer set off to meet up with Luna, and save her from the rogues.
Has the challenge begins Chomper makes rules for the flyers that they have to fly over the log, through the canyon without touching a single wall, through the cave at the back, flying in the forest without hitting a tree and fly across the river and up in the air back where they started without cheating. As the race begins, Rhanma starts cheating on Aero while his followers goes after Littlefoot to take him down.
During the race Petrie discovers the flyers leaving the challenge and warns the others what they're doing and Geora and Queztial found out that they're sneaking up on Littlefoot to attack him and stopped them before Littlefoot left the challenge and Wingra sees him leaving and followed him along with his daughters and his wife. After the flyers were stopped by the gang, Littlefoot found out that they were to attack and used the challenge for cover, and Wingra knows the flyers that they're only loyal to Rhanma who came with this, and Aero and Rhanma were about to finish the race and Rhanma notice that Littlefoot was gone and cheats on Aero by hitting his wings and was about to win, but Aero flew faster to win first,
After Aero won the race, Rhanma wants everyone to believe that he cheated, but everyone knows that he's lying cause he was cheated and he was disqualified, but he told everyone that the Flyer Challenge means noting to him and said that his followers took down Littlefoot and tries to take over the Great Valley but notice that Littlefoot was still alive thanks to his friend who stopped his followers, and Wingra and Flewa were very disappointed in him and Aero told them he didn't put them up to this and they know all this came from Rhanma and confirm his punishment to him. When Aero told them that Rhanma has been disqualified for cheating during the Flyer Challenge he, and his were no longer welcome in his flock, and Wingra and Flewa banished them from the Flyer Flock and the Great Valley and Rhanma and his followers flew off and left the valley.
After Rhanma and his followers are exiled, they meet up with one of the rogue flyers letting them know that their plan to get Lisdoa to them has failed and wants to know if they found her mother Luna and they finally did.
Later when the Luna and the other were about to get to her husband to warn them about the rogues they meet up with Rhanma and his followers and the other flyers who arrived with Zhengo, and encountered the rogues.
Later, back in the Great Valley, everyone heard that the flyers they send are in trouble when they found Luna, and the gang along with Etta and Glila heads to the rescue.
When the rogues caught Luna and the others, Luna found out that Rhanma and his followers are traitors for Flapper and the rogues and give them the location to Luna's daughter whereabouts in the Great Valley and one of the rogues took down Zhengo as Zhengo falls into the river. and Luna and the other flyers escaped.
As the gang along with Etta and Glila were about get to Luna, they entered a place where they encountered a sailback sharptooth (Ichthyovenator) and was able to outsmart it by leading it into a trap and escaped.
As they escaped from the sharptooth, they entered a territory full of angry domeheads (Stygimoloch) where they encountered one and another and the domeheads starts head butting each other while the gang makes it out of their territory.
After escaping from the Domehead territory, they managed to find Luna and save her, and Littlefoot gothimself exposed when he told the rouge flyers that he was the one who killed Red Foot and the rogues tries to get him but failed and meet up with Flapper and the others to get Luna's husband and the elders and Etta and Guido, and Glila takes Luna to the Great Valley to be reunited with her daughter while Littlefoot and the gang follows the flyers.
At Flyer place Rhanma orders Lonmus and the elders to send the entire flyer flock, and Flapper and his flock arrived and knew they send the flock to stop them and Lonmus and the elders find out that Rhanma and his follows are traitors for the rogues and Flapper send them all down a cliff into the water so they can't fly with their wings wet.
When the gang finally arrived, they search the place for the rogues in seperate ways and then were caught, and then meets Flapper for the first time and Flapper send both Littlefoot and Chomper down the cliff into the water, and the gang became prisoners and Rhanma leads the rogues to the Great Valley, to find Luna, and her daughter.
While being prisoners in a cave that's block, the gang meet, Swooper the blind flyer Petrie remembers and worried that Littlefoot and Chomper are dead and were able to escape when Cera charges at the rocks and head towards to the Great Valley.
After surviving the fall, Littlefoot and Chomper came to shore and found Zhengo and Lonmus, and the flyer elders and helps them to get to safety until their flyer friends arrived and the gang that escaped are surprised that Littlefoot and Chomper are alive and they all head towards the valley by water.
As Etta, Guido, and Glila brought Luna to the valley, Luna was reunited with her daughter until the rogue flyers are on their way to get them and Luna told them that Rhanma and his followers are traitors for the rogues and gathers all the flyers to stop them.
When the gang return to the valley with the flyers, they meet up with the rest of their friends and deals with the rogue flyers by doing their wisdoms against them in separate ways.
During the attack, Flapper told Etta and Wingra and Flew and their daughters that he killed Littlefoot, and turns around and see Littlefoot alive and orders the flyers to attack him, and Lonmus and the flyer elder tried to get to his wife and daughter but was caught by some of the rogues, and then had help from, Milo and the other furry creature along with their leader and Hidden Runner along with Scuttle and the sand creepers, and Big Daddy, and the tiny longneck.
As Flapper was about to get Luna and her daughter, Hino bit him on the leg and was tossed in the water and Zega who finally can fly swoops in and save him and gets him to safety with the flyer elder and Lonmus follows her to his family, and Hop who was stuck in the mud pit was saved by his friends Mutt, and Nod by using their wisdoms and fights against the rogue flyers along while the others deals with rest of the rogues.
As the fight was about to come to an end, Aero deals with Rhanma and Petrie helps him defeat him and his follows with the help from the other flyers and gliders.
Later, Tippy defeated Flytop by hitting hard with his tail, and Spike took down Swogar, and Ducky along with Para, Mo, Archie, Casta, and Hespo wet the flyers wings, and Cera hut rocks at the flyers causing them to fall to the ground, and Ruby defeated Mozina by using her move causing her to hit the rock and leaving her unconscious, and Chomper was able to take down Vixfly by throwing the last very old tree sweet at her with the help from Fanga and Hatza.
After the rogue flyers are all defeated, Littlefoot was able to defeat the remaining rogue flyer, and face off against Flapper, who wants to kill him for defeating Red Foot and the fight between Littlefoot and Flapper was over as Littlefoot defeated Flapper by hit his wing very hard sending him down a waterfall where he meets his death.
After defeating the rogues, Petrie, Guido, along with Glidy ,Elvia, Terya, and Fanga and their flyer friends along with Etta, Swooped, and Hatza, Zega, and Glila and Lisdoa do their performance as the Days of Wisdoms finally arrived and all the dinosaurs celebrate and Etta and Swooper are new members of the Great Valley.
Elijah Wood as Littlefoot
Hayden Panettiere as Cera
Tara Stong as Ducky
Tom Kenny as Petrie
Mitchell Whitfield as Spike
Rickey D'Shon Collins as Tippy
James Arnold Taylor as Chomper
Grey Delisle as Ruby
Reba McEntire as Etta (Pteranodon)
Samurel J. Jackson as Wingra (Hatzegopteryx)
Uzo Aduba as Nova (Hatzegopteryx)