Core Inbound 4/5

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Core Inbound 4/5 "Timed Truce" is the fourth installment of the Core Inbound regular series. In the video, our heroes decide to fight off Vitreous underground and destroy his last hope of reaching the core, they go through some preparations before digging and form a temporary alliance with their enemies. They end up finding and fighting their shared enemy, but something unexpected happens. 
It premiered on September 24, 2020.
== Synopsis ==
In a last attempt, our heroes go on a race against time to face off Vitreous and destroy his last chance of reaching the core, little did they know they would get a few assistance on their way, will that be enough to stop the mad alien?
== Plot ==
Back in OkiWan's House, the main four are waiting for the scientists to finish a tool able to get them to Vitreous. They have a small talk, where Spy and Oki express their fear that they could die, so they decide to enjoy their usual stuff one more time. Then Phil's phone rings, he picks it up and it turns out to be Jenny, who asks what is going on with the sky. Phil tells her about the whole situation and that this is their last chance to stop the mad alien. Then he asks her to wish them luck, but she is certain they don't need it and will defeat Vitreous. Phil gets motivated, and ensures her that they won't disappoint despite the opposing odds. Then it's Dr Saturn who gets a call and soon tells his friends to go to Amber's Operation.
At the location, they witness the counter-driller in full form, that'll be able to locate Vitreous' new driller. Alice tells them that Pink Screen will keep them updated and operate the vehicle's weaponry. The screen herself soon comes to give the gang a heat resistance potion. Then, Spy asks about the purple sky. Mad says that they are looking for a solution other than Diagon. Then, Mangle and PCus add that Rex and Blank Tank will guard the core. It cuts to them preparing to dig the ground with high jumps. OkiWan then asks an important question, if the 'A' in the counter-driller stands for Amber or Alice.
Meanwhile, Blue Screen of Death, who's mad that Dr Rex and Jack decided to go to their enemies for help, decides to take down Vitreous along with Copper and Commander Bus. The vehicles unleash their weapons and BSoD switches to his machinery form and all of them exit the base with full speed.
After that, the Cosmos are preparing to dig to the core and are amazed by the amount of people that gathered on the place to watch and root for them. Pankid soon comes to them and gives them weapons on behalf of Phalanx, specifically designed to fight Vitreous, and able to return to their hands even if they are far away. All of them take their new weapons except for OkiWan, who promised that he'll fight with his iconic pistol until he dies, which Pankid understands.
Spy, Phil and Saturn feel ready to go, but they notice Oki disappeared again. They see him talking to the FTV journalist and reveal his huge crush on Mangle on air, which shocks her and the scientists who were watching. Spy grabs him to the driller and right before they start digging, they hear a familiar voice. To their amazement, they see Jack and Dr Rex, who are immediately pointed at by Gregor and Pankid's weapons. Jack explains the situation and it turns out that they want to form a temporary alliance against the same enemy, saying they should put away their differences for once. When Phil asks where are the other gang members, his arch-enemy says what happened to Garmatrol, as well as BSoD and the rest refused to come with them. The main four figure it was something the villains would do and agree for the offer.
Soon, they are all drilling down, with Jack and Rex hanging on the back of the driller. Phil asks if the others heard anything and Spy responds that he only heard drilling sounds. Then Spy asks Pink if they are close to Vitreous yet. Pink shows a graph that confirms they are indeed close. A little after they eventually hit Vitreous' driller, he gets out of it and starts a fight without saying anything. Spy and Phil fight in close range, while Oki and Sat take advantage of the distraction and strike him from behind. Jack blocks the alien's attacks and flies away, Phil tries to hit him from behind, but fails and gets saved by Dr Rex. In the end, Rex uses his scepter to slow down time and pull the final hit on Vitreous, along with Jack. The hit pushes him back and leaves him laying on the ground. The gang and the two villains are happy for their victory and quickly prepare to get rid of him once and for all, but his Power Gem glitches and it turns out to be Garmatrol. Oki gets mad and is about to shoot him, but Sat stops him and demands an explanation from the alien. Garma happily explains that Vit knew he would get detected, so he took another path, while Garma fooled them and gave him time. They try to stop him, but he jumps back inside the driller and continues digging. Phil speculates that the real Vit might be in the core already, which worries Spy and so he orders all of them to get inside the driller.
But when they arrive there, it is already too late. Rex and Blank Tank failed to guard the core and they spot Vitreous hovering over it, summoning Diagon, to enter the lava and quickly emerge, becoming one with the beast. The gang looks at the creature covering them with a shadow, knowing it is going to be the hardest challenge they've ever faced. 
== Cast ==
 
 !Character
 !Voice actor
Character 	Voice actor
Vitreous, Garmatrol	OkiWan
== Characters ==
* OkiWan
* Phil
* Spymankiller
* Dr Saturn
*Jenny Brown (non-physical appearance)
*Dr Amberess Alford
*Alice Marbleford
*Pink Screen
*Mad Playz
*Joseph
*Mangle
*PCus
*Rex
*Blank Tank
*Commander Bus
*Blue Screen of Death
*Copper
*Trauma (indirectly mentioned)
*Panzer (cameo)
*General Stefanson (cameo)
*Arthur (cameo)
*Reynard (cameo)
*Caddict (cameo)
*Lenny Jester (cameo)
*Charles (cameo)
*Ryan (cameo)
*Droppy (cameo)
*Gregor
*Berney (cameo)
*Pankid
*Jack Jester
*Dr Rex
*Garmatrol
*Vitreous
*Vitreous' Minions
*Vitreous' Constructors
*Diagon
== Trivia ==
*Formally, this part was called "Race Against Time".
* The shortest part in the Core Inbound series.
*Phil's new weapon was inspired by his light-saber from Us vs. Us.
*OkiWan's black shirt appears once again, this time in a hanger in his house.
*This is the only part in the series where we see Phil without his red jacket.
*The thumbnail of every part is identical to a shot from this installment.
*The part that went through the most changes.
*Originally, Dr Rex and Jack were supposed to show up to the main four underground, along with Copper and Commander Bus, with the final hit against Vitreous being a shot from Copper's disco form, however this was changed long before Core Inbound 2/5 started development.
*Spy's new chainsaw's spikes can be seen moving when activated.
*BSoD's machinery form was supposed to be first seen in this part.
*OkiWan's House is finally seen from the outside in this video.
*Originally, Playah243 was supposed to have a cameo outside Oki's house, however it didn't happen as OkiWan couldn't think of a weapon for him.
*OkiWan's green jacket is the same one from Ep.8 of OkiVerse.
*The sound when the Power Gem glitches is the same sound from the title card.
*A mash-up of 'The Furnace' and 'Clockwise Operetta' from the OST of Machinarium can be heard when Jack and Dr Rex beg for help, OkiWan didn't know which one to use, as it was a moment for both characters, so he decided to mash both themes up.
Category:Spyman's Cosmos series
Category:Episodes
Category:Rebirth Era