S1.E0 ∙ TruceTue, Jul 5, 2016Ink and error see their differences and make a truce where if one of them destroys or creates something, the deal is off8.9/10 (38)Rate
S1.E1 ∙ Underverse 0.0Tue, Jul 5, 2016XTale!Chara steals half of Sans' soul, but Ink comes in and tries to stop him.8.8/10 (39)Rate
S1.E2 ∙ Underverse 0.1Mon, Aug 22, 2016Filled 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.8.8/10 (40)Rate
Top-ratedS1.E3 ∙ Underverse 0.2Mon, Aug 22, 2016Classic!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.9.1/10 (43)Rate
Top-ratedS1.E4 ∙ Xtra Scene 1Thu, Nov 24, 2016After Ink is taken by Error, Underfell Sans follows Classic Sans to a field of echo flowers. Ink and Error discuss their truce.9.2/10 (32)Rate
Top-ratedS1.E5 ∙ Underverse 0.3 Part 1Sun, Mar 26, 2017Classic Sans, Fell, and Ink track Cross into the Underswap universe.9.3/10 (53)Rate
Top-ratedS1.E6 ∙ Underverse 0.3 Part 2Sun, Aug 6, 2017After being freed from Cross, XChara tests Underswap Chara's determination.9.5/10 (58)Rate
Top-ratedS1.E7 ∙ Xtra Scene 2Fri, Dec 15, 2017Ink and Error watch an episode of Undernovela.9.1/10 (37)Rate
Top-ratedS1.E8 ∙ Underverse 0.4Sun, Jul 29, 2018The truce is broken. XGaster puts the timelines effected by the X-Event under quarantine.9.7/10 (87)Rate
S1.E9 ∙ EpilogueThu, Aug 9, 2018Welcome to our future new home, my children. The main universe.8.6/10 (36)Rate