Ink and error see their differences and make a truce where if one of them destroys or creates something, the deal is off
XTale!Chara steals half of Sans' soul, but Ink comes in and tries to stop him.
Filled with negativity after absorbing the half soul, Cross is tasked with a mission by a darker version of Sans. Ink and Classic Sans discuss what to do next.
Classic!Sans and Ink!Sans visit the Underfell AU, so they can track down Cross!Sans and to stop him from collecting the data from the Underfell AU.
After Ink is taken by Error, Underfell Sans follows Classic Sans to a field of echo flowers. Ink and Error discuss their truce.
Classic Sans, Fell, and Ink track Cross into the Underswap universe.
After being freed from Cross, XChara tests Underswap Chara's determination.
Ink and Error watch an episode of Undernovela.
The truce is broken. XGaster puts the timelines effected by the X-Event under quarantine.
Welcome to our future new home, my children. The main universe.
Flowey mocks Sans and Frisk.
After being returned to the main universe, Sans discusses the events of season 1 with Frisk. XGaster discusses "Phase Three" with Ink
Cross arrives in the Omega Timeline, but his negativity quickly causes problems.
Undyne goes to assist the military against the doppelgangers. Ink seeks out Fresh to give him "The funniest thing in the multiverse".
Cross meets Geno. Meanwhile, XGaster tries to bring Cross back. However, an anomaly interferes with the exit portal, causing Ink and Cross to be thrown out of the timeline.
