History NightmareFuel / YuGiOhCapsuleMonsters

* Tea and Tristan are cornered by Root Water and stand little chance of defeating it. It grievously wounds Tristan, and when they ''do'' defeat it, it evolves into High Tide Gyojin and sucks them both into a whirlpool. Only the timely appearance of Solomon Muto saves them.

* In episode 3, Neo Aqua Madoor freezes Tea and Yugi's grandpa in ice, nearly suffocating them.

* [[spoiler:Alexander's evil side]] is reminiscent of Yami Bakura, and the two sides struggle for control of the body. He [[spoiler:performs GrandTheftMe on his descendant, Alex Brisbane]], and one scene has the two Alexanders' heads jutting out of each other as they argue.
* Alexander [[spoiler:sacrifices his own comrades]] to summon the Seven-Armed Fiend, banishing them from the game. At fist glance it looks like he killed them to summon it.

* After the Seven-Armed Fiend's defeat, Alexander [[spoiler:uses his vassals' energy to power Reshef]] so when he is attacked, they take the damage. He then taunts Yami about not doing the same to ''his'' friends.

* If a Capsule Monster is hurt, so is its owner. When Grandpa's Summoned Skull is destroyed, he screams in pain and collapses. [[spoiler:In the final battle, if all of a person's monsters are destroyed, they die]].

* In the first episode, while exploring the pyramid, the group finds a roomful of skulls impaled upon spikes and has to slowly make their way across by hanging from a ledge by their fingertips.
** Joey is nearly impaled by a spike trap after he accidentally sets one off.

* The group comes across the edge of the map in episode 8, entering a void of pure nothingness.

* Yami and Celtic Guardian are badly wounded when they fight La Jinn, but want to continue to keep fighting despite their injuries.
* In episode 4, the statues the group must mimic to open the door turn out to be alive.
* Yugi falls through a hole in the floor and ends up in a featureless room... and then the walls start closing in. He comes within seconds of being crushed.

* The Five-Headed Dragon is virtually indestructible, and it nearly defeats Yami Yugi.

* [[spoiler:Alexander's evil side]] is reminiscent of Yami Bakura, and the two sides struggle for control of the body. He [[spoiler:performs GrandTheftMe on his descendant, Alex Brisbane]], and one scene has the tow Alexanders' heads jutting out of each other as they argue.

* [[spoiler:Alexander's evil side]] is reminiscent of Yami Bakura, and the two sides struggle for control of the body. He [[spoiler:performs GrandTheftMe on his descendant, Alex Brisbane]].
* Alexander [[spoiler:sacrifices his own comrades]] to summon the Seven-Armed Fiend.

* Whoever wins the final battle would gain the power to conquer the world.

* Episode 5 has Mystical Sand, who conjures up a huge sandstorm that blinds and suffocates the group. Her sand worms turn anything to stone with their spit.

* Tea and Tristan are cornered by a sea serpent and stand little chance of defeating it. It grievously wounds Tristan, and when they ''do'' defeat it, it gains a stronger form and sucks them both into a whirlpool. Only the timely appearance of Solomon Muto saves them.
* Joey is carried off by a bird monster, nearly fed to its babies, and is chased by a whole flock of them after falling off a cliff.

* Episode 5 has Mystical Sands, who conjures up a huge sandstorm that blinds and suffocates the group. Her sand worms turn anything to stone with their spit.

* After the Seven-Armed Fiend's defeat, Alexander [[spoiler:uses his vassals' energy to power Reshef]] so when he is attacked, they take the damage.

* Tea and Tristan are cornered by a sea serpent and stand little chance of defeating it; it grievously wounds Tristan, and when they ''do'' defeat it, it gains a stronger form and sucks them both into a whirlpool. Only the timely appearance of Solomon Muto saves them.

* [[spoiler:Alexander's evil side]] is reminiscent of Yami Bakura, and the two sides struggle for control of the body.

* In episode 7, Joey runs off on his own and is chased by a Red-Eyes Black Dragon. [[spoiler:He's later possessed and fights against his friends]].

* If a Capsule Monster is hurt, so is its owner. If their last monster is destroyed, the owner dies.

* Yugi falls through a hole in the floor and ends up in a featureless room... and then the walls start closing in.

* if a Capsule Monster is hurt, so is its owner. If their last monster is destroyed, the owner dies.