diff --git a/lib/api/api.ts b/lib/api/api.ts
index bc632a4..233d1a1 100644
--- a/lib/api/api.ts
+++ b/lib/api/api.ts
@@ -7,7 +7,11 @@ import {
   makeDailyWebhookPostHandler,
   makeManualDailyWebhookPostHandler,
 } from "./dailies.ts";
-import { makeSeasonGetHandler, makeSeasonsGetHandler } from "./seasons.ts";
+import {
+  makeSeasonGetHandler,
+  makeSeasonsGetHandler,
+  makeSeasonTxtGetHandler,
+} from "./seasons.ts";
 
 /**
  * makeAPIRouter creates a router which handles requests on the
@@ -67,6 +71,10 @@ export function makeAPIRouter(
       new URLPattern({ pathname: "/seasons" }),
       withCORS(makeSeasonsGetHandler(leaderboardClient)),
     )
+    .get(
+      new URLPattern({ pathname: "/seasons/:season_id.txt" }),
+      withCORS(makeSeasonTxtGetHandler(leaderboardClient)),
+    )
     .get(
       new URLPattern({ pathname: "/seasons/:season_id" }),
       withCORS(makeSeasonGetHandler(leaderboardClient)),
diff --git a/lib/api/seasons.ts b/lib/api/seasons.ts
index d20e503..bc1947b 100644
--- a/lib/api/seasons.ts
+++ b/lib/api/seasons.ts
@@ -1,3 +1,4 @@
+import * as api from "lc-dailies/lib/api/mod.ts";
 import * as leaderboard from "lc-dailies/lib/leaderboard/mod.ts";
 import * as router from "lc-dailies/lib/router/mod.ts";
 
@@ -33,10 +34,57 @@ export function makeSeasonGetHandler(
       return new Response("Missing season ID", { status: 400 });
     }
 
-    const season =
-      await (seasonID === "latest"
-        ? leaderboardClient.getLatestSeason()
-        : leaderboardClient.getSeason(seasonID));
+    const season = await getSeasonByIDOrLatest(leaderboardClient, seasonID);
     return new Response(JSON.stringify(season));
   };
 }
+
+/**
+ * makeSeasonTxtGetHandler makes a handler that returns a plaintext
+ * representation of a season.
+ */
+export function makeSeasonTxtGetHandler(
+  leaderboardClient: leaderboard.LeaderboardClient,
+) {
+  /**
+   * handleGetSeasonTxt handles GET requests to the season.txt endpoint.
+   */
+  return async function handleGetSeasonTxt(
+    request: router.RouterRequest,
+  ): Promise<Response> {
+    const seasonID = request.params["season_id"];
+    if (!seasonID) {
+      return new Response("Missing season ID", { status: 400 });
+    }
+
+    const season = await getSeasonByIDOrLatest(leaderboardClient, seasonID);
+    if (!season) {
+      return new Response("Season not found", { status: 404 });
+    }
+
+    const text = leaderboard.formatScores(season);
+    return new Response(text, {
+      headers: { "Content-Type": "text/plain" },
+    });
+  };
+}
+
+async function getSeasonByIDOrLatest(
+  leaderboardClient: leaderboard.LeaderboardClient,
+  seasonID: string | undefined,
+): Promise<api.Season | null> {
+  const season = !seasonID || seasonID === "latest"
+    ? await leaderboardClient.getLatestSeason()
+    : await leaderboardClient.getSeason(seasonID);
+  if (season && !season.scores) {
+    season.scores = await leaderboard.calculateScores(
+      leaderboard.makeDefaultCalculateScoresOptions(
+        season.players,
+        season.questions,
+        season.submissions,
+      ),
+    );
+  }
+
+  return season;
+}