The new Rocket League season (Season 21) starts on Wednesday, December 10, 2025, and runs roughly until March 11, 2026.

Quick Scoop

If you’re logging in around early 2026 and wondering why everyone’s talking about “the French season,” this is it: Season 21 kicked off on December 10, 2025, with a Paris-themed update, new Rocket Pass, and ranked Heatseeker event running in the first week.

Key points:

  • Start date: December 10, 2025 (a Wednesday).
  • Themed season: Paris/France vibe, new Parc de Paris arena, French-inspired cosmetics.
  • Season window: Trailer and promo describe it as running from December 10 to March 11.

So if you’re asking “when is the new Rocket League season,” it already began on December 10, 2025, and will be the live season through early March 2026 unless the devs announce any extensions.

Information gathered from public forums or data available on the internet and portrayed here.