| # | Air Date | Episode Name | Watched? |
|---|---|---|---|
| E1 | Apr 29, 2025 | ||
| E2 | May 06, 2025 | ||
| E3 | May 13, 2025 | ||
| E4 | May 20, 2025 | ||
| E5 | May 27, 2025 | ||
| E6 | Jun 03, 2025 | ||
| E7 | Jun 10, 2025 | ||
| E8 | Jun 17, 2025 |
Castle Impossible has maintained a steady Annual rhythm for 1 year, typically returning in May. Since its 2024 inception, the series has functioned as a cornerstone asset for The Roku Channel, filling a high-production-value niche in the unscripted architectural genre. The broadcast format utilizes a seasonal release strategy that aligns with Q2 performance targets for streaming platforms. As the series matures, its ability to maintain this Spring window will be indicative of its long-term viability as a network fixture.