Billy Dilley’s Super-Duper Subterranean Summer: Season 1
This season started on June 3, 2017. The table lists episodes with recorded air dates up to September 28, 2026.
| Ep | Title and air date | My place |
|---|
| 1 | Lab Friends... Forever? | |
| 2 | Surviving Billy | |
| 3 | Calzones | |
| 4 | Crab Hands | |
| 5 | The Date | |
| 6 | The Troggies Next Door | |
| 7 | The Mushroom Prince | |
| 8 | Count Wretcher | |
| 9 | Hey Judy | |
| 10 | Welcome to the Hag House | |
| 11 | Beastie Billy | |
| 12 | Zartran | |
| 13 | "K" is for Klutz | |
| 14 | Tommy X | |
| 15 | Billy/Willie | |
| 16 | The Telltale Wart | |
| 17 | Ol' MacBilly | |
| 18 | Silly Spheres | |
| 19 | Wretcherous Treachery | |
| 20 | Jared | |
| 21 | Sluggy | |
| 22 | Double Bubble | |
| 23 | The Glorp of the Gorks | |
| 24 | Rat's Entertainment! · 11 min | |
| 25 | The Battle for Subterranea-Tania · 22 min | |
