Ep. 49: Government warns of time stagnation if Sonic remains, while Chris refuses to let him go.
Aired on March 7, 2004

49
Authorities state that Sonic and his companions must return to their own world to prevent a time stagnation phenomenon that would cause global abnormalities. While officials suggest this separation is necessary to maintain stability, Chris is unwilling to allow Sonic to leave. This narrative conflict centers on the tension between governmental warnings regarding dimensional interference and Chris's personal reluctance to part with his friend. The episode's Japanese title bears a resemblance to the 1951 science fiction film The Day the Earth Stood Still, highlighting the serious consequences of their continued presence in the current reality.
Episodes
- Ep. 45 · President organizes martial arts tournament with Chaos Emerald prize to capture Eggman
- Ep. 46 · Emerl goes berserk during the finals, forcing others to fight him.
- Ep. 47 · Eggman plans planetary destruction via a battleship and the world's navel, forcing Sonic to face unexpected challenges.
- Ep. 48 · Sonic and companions pursue Eggman into the volcanic crater's underground realm.
- Ep. 49 · Government warns of time stagnation if Sonic remains, while Chris refuses to let him go.
- Ep. 50 · Tails and Chuck race to build a dimensional return device while GUN unexpectedly attacks Eggman's base.
- Ep. 51 · Chris Runs With Sonic Before He Returns to His World
- Ep. 52 · Sonic returns home while eighteen-year-old Chris reflects on their shared memories.
- Ep. 53 · Metarex Attack Scatters Emeralds as Chris Arrives on Sonic's Planet