Season Mode is a one-player mode where the player chooses a team and plays through an entire eleven-week roller derby season.

Season Mode starts with the player selecting a team. Teams cannot be changed once a season has begun. A schedule is then generated for all five teams. During the first ten weeks of the season, each team will play every other team twice -- one home bout, one away bout. Scores from all bouts played during that week, as well as each team's won-lost record, are visible to the player after they have completed their weekly bout. The player will have a bye during two weeks of the season.

Unlike Quickplay mode, the player earns money for their performance in Season Mode. The amount of money depends on the player's margin of victory or defeat, and other factors such as tricks landed, stars collected, and the number of times the player is declared lead jammer. Special bonuses will apply if the player completes the level using zero powerups, or fifty or more powerups. The money a player earns during Season Mode can be used to purchase upgraded gear in the Store between jams.

If the player's team is among the top two teams in the standings at the end of the first ten weeks, they will participate in the championship game during the last week of the season. The winners of the final game are declared season champions, and take home the coveted "Stampy" trophy.

At the season's conclusion, the player has the option to begin a new season with the same team, or to start a new season with a new team. Team-specific gear will only be available to the player while they are members of that particular team.