In the distant future, mankind has lived quietly and restlessly underground for hundreds of years, subject to earthquakes and cave-ins. Living in one such village are 2 young men: one named Simon who is shy and naïve, and the other named Kamina who believes in the existence of a “surface” world above their heads.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Bust Through the Heavens with Your Drill!! | 2007-04-01 | 25 min |
| Season 1 | Episode 2 | I Said I'm Gonna Pilot That Thing!! | 2007-04-08 | 25 min |
| Season 1 | Episode 3 | Who Do You Think You Are, Having Two Faces!! | 2007-04-15 | 25 min |
| Season 1 | Episode 4 | Having Lots of Faces Doesn't Make You Great! | 2007-04-22 | 25 min |
| Season 1 | Episode 5 | I Don't Get It, Not One Bit! | 2007-04-29 | 25 min |
| Season 1 | Episode 6 | Sit in the Hot Tub 'Til You're Sick!! | 2007-05-06 | 25 min |
| Season 1 | Episode 7 | You're Gonna Do It!! | 2007-05-13 | 25 min |
| Season 1 | Episode 8 | Later, Buddy | 2007-05-20 | 25 min |
| Season 1 | Episode 9 | What, Exactly, is a Human? | 2007-05-27 | 25 min |
| Season 1 | Episode 10 | Who is This Bro? | 2007-06-03 | 25 min |
| Season 1 | Episode 11 | Simon, Hands Off | 2007-06-10 | 25 min |
| Season 1 | Episode 12 | Yoko, Will You Do Me a Favor? | 2007-06-17 | 25 min |
| Season 1 | Episode 13 | Eat Up Everyone! | 2007-06-24 | 25 min |
| Season 1 | Episode 14 | Well Met, Everyone | 2007-07-01 | 25 min |
| Season 1 | Episode 15 | I Will Head Towards Tomorrow | 2007-07-08 | 25 min |
| Season 1 | Episode 16 | Compilation Episode | 2007-07-15 | 25 min |
| Season 1 | Episode 17 | You Don't Know Anything! | 2007-07-22 | 25 min |
| Season 1 | Episode 18 | Tell Me the Secrets of This World | 2007-07-29 | 25 min |
| Season 1 | Episode 19 | We Will Survive, By Any Means Necessary | 2007-08-05 | 25 min |
| Season 1 | Episode 20 | How Far Will God Test Us? | 2007-08-12 | 25 min |
| Season 1 | Episode 21 | You Are Someone Who Ought to Survive | 2007-08-19 | 25 min |
| Season 1 | Episode 22 | This is My Final Duty! | 2007-08-26 | 25 min |
| Season 1 | Episode 23 | Let's Go, This is the Final Battle | 2007-09-02 | 25 min |
| Season 1 | Episode 24 | I'll Never Forget This Minute, This Second | 2007-09-09 | 25 min |
| Season 1 | Episode 25 | I Accept Your Last Wish! | 2007-09-16 | 25 min |
| Season 1 | Episode 26 | Let's Go, Buddy | 2007-09-23 | 25 min |
| Season 1 | Episode 27 | The Lights in the Sky Are Stars | 2007-09-30 | 25 min |
| Production | Takami Akai | Producer |
| Production | Eiichi Kamagata | Producer |
| Sound | Toru Nakano | Sound Director |
| Writing | Shin Itagaki | Storyboard |
| Writing | Kazuki Nakashima | Series Composition |
| Camera | Toyonori Yamada | Director of Photography |
| Directing | Hiroyuki Imaishi | Series Director |
| Writing | Kazuki Nakashima | Original Series Creator |
| Sound | Shoko Nakagawa | Theme Song Performance |
| Writing | Kazuki Nakashima | Original Story |
| Sound | Taku Iwasaki | Music |
