During a top secret STRATA mission, Saul becomes stranded deep inside Earth's core. While there, the socially crippled explorer encounters the Mole Men, who do not understand his foreign ways.
Clancy and Betrum run for King of the Mole Men. Saul joins the election race at the encouragement of a talking rock.
Saul fights to survive in Mole Man Prison. Bertrum attempts to gain support for his ambitious project "Thunderhole," despite Clancy's strong objections.
Bertrum kicks off Project Thunderhole with a party.
Saul developes romantic feelings for the beautiful mutant girl, Fallopia. The STRATA operators embark on a rescue mission.
Lil Lil and Saul search for Lil's testicles.
Fallopia, Lil Lil, Johnny Tambourine, and Robot set off to save Saul from Birdbat. Birdbat wants the stone so he can bring his wife back from the dead.
Saul meets a "tall tale hero." The STRATA operators encounter rough seas.
Saul falls into a chasm and wonders if he landed in purgatory. He meets an old bearded man on top of a pyramid, and people covered in flames.
The STRATA Operators reflect on their doomed mission.
Johnny and the Birdbat Princess share a forbidden love. Meanwhile the Mole Men and Birdbats prepare for war.
Saul tries to protect his stones as he seeks answers about their true nature.
The Mole Men celebrate the "Beet Jubilee." Clancy seeks out Saul and his odd stones.
Evil Johnny Tambourine dolls invade the Mole Men.
Clancy speaks about his past.
Clancy searches for answers while Saul flirts with death.
Saul has a strange growth, and everyone tries to figure out the cause of it.
Saul gets caught between a rock and a hard place, literally.
Everyone tries to stop Otnip and his asteroids from destroying the world.