Billy Dilley’s Super-Duper Subterranean Summer — Season 1, Episode 25: The Battle for Subterranea-Tania
Animation, Comedy, Kids • 22 min • 1 season, 25 episodes • ★ 6.5/10
Episode synopsis
As Billy, Zeke and Marsha prepare to leave Subterranea-Tania by throwing a "farewell party", Billy accidentally causes a robot-alien invasion led by an evil clone of Billy. The people of Subterranea-Tania then turn against Billy and it's up to the trio to try to stop the invasion once and for all.
About Billy Dilley’s Super-Duper Subterranean Summer
The adventures of science-obsessed Billy Dilley and his lab partners Zeke and Marsha