Even though this has characters from both Fate/stay night and Fate/Zero, this will mostly refer to Blue Dragon.

There are changes to how the whole Master-Servant thing works as well as them not being dependent on the Holy Grail after the War to stay materialized.

I LOVE Ufotable's Fate/stay night: Unlimited Blade Works and Fate/Zero. If you're going to see them, don't go on Youtube. Episodes aren't their anymore, just clips. And be very careful to specify which route it is, since Deen has made an anime of the Fate route and an Unlimited Blade Works movie. Both are on Youtube and in English. If you're going to watch it, watch it first since it PALES in comparison to Ufotable. Ufotable is the only one the has made an anime of Fate/Zero, so that will be easy to find.

Both are in English and are 25 episodes long (Deen's has 24).

Both can be found on Netflix.

Watch Unlimited Blade Works first, since in my opinion Fate/Zero is better.

VERY rewatchable. I've seen both like 5 times. (Fate/Zero more.)

Especially with Fate/Zero, VERY dark, disturbing, and gory. It WILL make you cry quite a few times.

For those who don't know, Ufotable has a huge budget and REALLY pushes it, so all their anime is really short, but AWESOME! People like to call Unlimited Blade Works "Unlimited Budget Works" for a reason.

Granted, the first three episodes are pretty slow, but it gets better quickly in Fate/Zero.

At the end of episode 25 of Unlimited Blade Works, there's a little bit of a scene after the credits.

There are parodies called "Carnival Phantasm" on Youtube.

Here's a brief summary of both: 7 magi called Masters each summon a Heroic Spirit known as a Servant to fight for them. They fight the other six to the death for a wish-granting cup, the Holy Grail.

"You people don't need to get involved!" Rottarace pleaded. She and the other two members of the Legion of Elite Species were in a wide opening in what looked to be a dark castle that they entered through a small rip in the very fabric of space. They were in the middle of a gathering of 13 others.

A man with blonde hair, red eyes, and gold armor cackled. "If the lowly mongrels have power that overcomes even yours, I need to see it for myself!"

A girl with blonde hair, blue-green eyes, and wearing silver armor over a blue dress spoke next. "We must see if that power would threaten even us."

A man with pale skin, bulging eyes, and wearing a large blue-green and purple robe spoke to her. "It is doubtful that their power surpasses ours, as we are much stronger than the Legion of Elite Species."

Hildegard snarled. "Such impudence! You dare mock our power?!"

Noi raised a hand to signal for Hildegard to stop. "We haven't come here to fight. Merely to negotiate."

The first man laughed again. "What is there to negotiate?! We will test this power for ourselves! However, failure to meet our expectations will result in the deaths of the mongrels we test."

A man wearing all blue was next. He had red eyes as well and blue hair tied into a ponytail with a golden clasp. "Gilgamesh, is it really necessary to test their power fer ourselves?"

Gilgamesh glared at him. "Of course it is, Cu Chulainn! Don't ever question me again you lowly dog!"

"They've already passed all of our trials!" Rottarace pointed out.

"We don't care about your trials," a woman with long lavender hair said. She wore a magenta blindfold and a black-and-purple dress. "All that we really care about if whether or not they'll be able to stand up to us, the Holy Grail Order."

Noi spoke again. "They sealed away the Darkness, but don't mean us any harm as long as we don't threaten them."

A man covered in black and wore a skull mask replied. "Regardless of that, they may become consumed with power and attack us unless we do something first."

"Have you all forgotten that humans can help us out as well?" a man with black hair, gold eyes, and a green outfit pointed out.

"Do you mean by making them our Masters, Diarmuid?!" the woman with the blindfold exclaimed. "We should allow them to enslave us!"

"Medusa, even if we become their Servants, we obtain more power."

"In exchange though, they can force us to do three things against our will," the man with the big eyes said.

"Regardless of that, Gilles, we shouldn't be so hasty as to wipe them all out," Diarmuid said.

"Not all, just those with enough power to stand up to us," Gilgamesh said. He faced Noi and the others again. "My mind is already made up to test this power."

"If that's how it's gonna be, count me out of this whole thin'," Cu Chulainn growled. He picked up a red spear and turned, walking towards the castle entrance.

"Don't think you can just walk out of here unharmed!" Gilgamesh boomed. "Get him, Arturia!"

The woman with the blonde hair jumped at Cu Chulainn, a golden blade in her hands. When she swung it down, the hand of a green dragon caught it.

Noi and Rottarace turned into dragons like Hildegard. They grey dragon, Noi, looked at the spearman. "Hurry and get out of here! We'll hold the others off!" The other ten were attacking. Gilgamesh was shouting orders and Diarmuid looked uncertain.

While the others were being held off, Cu Chulainn ran out of the castle into a forest cloaked by nighttime. The only light was from a full moon in the black sky. When he got far enough away from the castle, a thick fog surrounded it, keeping out intruders. The Legion of Elite Species only got in because Medea lifted the fog barrier.

"Where do you think your going?"

Cu Chulainn turned around and saw several of the dark figures, Hassan, sitting in the branches. The three dragons were probably fighting one, but the other 99 were given the task of patrolling the forest.

Cu Chulainn bared his fangs and held up his spear. "I really don't have the time to be dealin' with ya, so can ya'll just let me pass in peace?"

One chuckled. "Not gonna happen. We already heard about what's going on from our link to the Hassan in the castle. Either you return to face your punishment, or you die."

"How 'bout I choose neither?!"

"Very well, you leave us no choice." One dagger flew down and the man knocked it away with his spear. He heard footsteps coming from behind and spun around, blocking a dagger thrust at him by the Hassan that had be going up behind him. He kicked it away and jumped back as a dagger planted itself in the ground where he had just been.

He spun around, smacking away the Hassan that had been sneaking up behind him. Cu Chulainn got a shallow cut over his chest from that Hassan's dagger. A sharp pain went through his back.

"Better call it quits and go back to the castle," the Hassan that stabbed him in the back chuckled in his ear. He tried to bite back a groan of pain as the weapon was twisted, allowing more blood to flow out. He lunged forward, ripping himself at the blade and spun around, going for Hassan's neck with the tip of his spear. It was blocked by the bloody dagger. It jumped back as Cu Chulainn overpowered him.

The Hassans were about to attack as one when they froze. "Uh oh..."

Cu Chulainn recognized the sudden presence. "Not Gilgamesh..."

The Hassans retreated just as several weapons flew threw the air. Cu Chulainn jumped back just as they hit the ground he was at moments ago. They exploded, obscuring the spearman's vision with dust and smoke, so he didn't see the sword flying at him until it went through his right shoulder, going easily through the armor. The smoke cleared and Gilgamesh was walking over to the other man.

"Kneel, dog," he said. Another Gate of Babylon appeared and a spear flew out, going through Cu Chulainn's right thigh and making him go down on that knee. Another Gate appeared behind Gilgamesh and he pulled out a sword. "Now die!"

He ran at Cu Chulainn, sword raised. "Oh no you don't!"

Two spears, one yellow and one red, blocked the sword as Diarmuid appeared in between Cu Chulainn and Gilgamesh.

"You're also betraying us, Diarmuid?!" Gilgamesh demanded.

Diarmuid looked over his shoulder. "I'll hold him off, Cu Chulainn! Get out of here!"

Cu Chulainn stood up. The weapons going through him vanished into golden particles. "Fine, but don't go dying yerself!" With that he turned around and ran for the rip in space at the end of the forest.