The Day After Yesterday is the first episode of Will 10 where Will finds out he's half Osmosian. If that's not enough he stumbles across the Megamatrix. Then this Alien, A Trifýlli named Spóro̱n pros sporá Who was hired to kill Will. Then the Trifýlli's DNA get's scanned into the Megamatrix. the Trifýlli then tells him he was hired by the Osmosians to kill Will. Will then travels to Osmos 5 to find out Why they Wanted to Kill him. Will arrives as Lodestar. Will goes up to the Osmosian Council, after being attacked by many Osmosians, and enters the council room, Will then finds out Osmosians And Orishans Violently hate each other and there hasn't been an Osmosian/Orishan hybrid that hasn't survived their first year, except for him. The Osmosians reluctantly let Will live. Then Will returns to earth.