After several middle school students take a tour inside the Operation Base X, Daichi learns of Ultraman X's past being trapped in the form of computer data and swears to help him return to his physical body.
A series of earthquakes are reported at Area T-7B. As Asuna and Daichi investigate in the subway, they meet a strange woman. She summons Telesdon until Daichi and Asuna manage to scare it off.
Hayato and Wataru's rivalry for each other turns from bad to worse over time. During their lunch break, Alien Zarab reveals himself and launches Bemstar to wreak havoc in the city as Earth becomes his new target. Xio members deploy and Asuna attacks Bemstar, Daichi scans the monster, and Wataru a...
While Xio members are on their way to a test site to turn monsters into Spark Dolls, Black King attacks them while Alien Nackle Bandero tries to steal the Spark Dolls. Ultraman X appears but is weakened by both the monster and alien until Ultraman Zero appears to assist Ultraman X.
