diff --git a/src/sdk.d.ts b/src/sdk.d.ts
index 846d839..fe3eba0 100644
--- a/src/sdk.d.ts
+++ b/src/sdk.d.ts
@@ -59,6 +59,7 @@ export interface VylaSDKOptions {
     tmdbApiKey?: string;
 }
 
+// Descriptions written with Claude.
 export default class VylaSDK {
     tmdbApiKey?: string;
 
@@ -94,7 +95,7 @@ export default class VylaSDK {
         s?: number | null,
         e?: number | null,
         clientIP?: string | null
-    ): Promise<StreamResult | {allUrls: StreamResult[]}>;
+    ): Promise<StreamResult | { allUrls: StreamResult[] }>;
 
     /**
      * Get subtitles for a movie or TV episode.
diff --git a/test/index.js b/test/index.js
index 6dda76b..ed48125 100644
--- a/test/index.js
+++ b/test/index.js
@@ -7,6 +7,103 @@ import VylaSDK from "../src/sdk.js";
 import dotenv from "dotenv";
 dotenv.config();
 
+const CONFIG = {
+    DEBUG: true,                 // Set to true to print outgoing requests, headers, formats, and responses
+
+    MOVIE_ID: "550",             // Movie TMDB ID to test
+    TV_ID: "37854",               // TV TMDB ID to test, for anime I recommend using a random ID like 37854
+    TV_SEASON: "1",              // TV Season to test
+    TV_EPISODE: "1",             // TV Episode to test
+    STREAM_SOURCE: "",    // Source key to test
+
+    TEST_SUBTITLE: false,         // Toggle subtitle testing
+    TEST_DOWNLOAD: false,         // Toggle download testing
+    TEST_MOVIE: false,            // Toggle movie testing
+    TEST_TV: true                // Toggle TV testing
+};
+
+// debug
+if (CONFIG.DEBUG) {
+    const originalFetch = globalThis.fetch;
+
+    const debugFile = path.resolve("test/debug-output.json");
+    fs.mkdirSync(path.dirname(debugFile), { recursive: true });
+
+    const logs = [];
+
+    const save = () => {
+        fs.writeFileSync(debugFile, JSON.stringify(logs, null, 2));
+    };
+
+    globalThis.fetch = async (input, init) => {
+        const url = typeof input === "string" ? input : input?.url || String(input);
+
+        const request = {
+            timestamp: new Date().toISOString(),
+            request: {
+                url,
+                method: init?.method || "GET",
+                headers: init?.headers || {},
+                body: init?.body || null
+            }
+        };
+
+        console.log("\nRequest:");
+        console.log(`URL:    ${url}`);
+        console.log(`Method: ${request.request.method}`);
+        if (init?.headers) console.log("Headers:", JSON.stringify(init.headers, null, 2));
+        if (init?.body) console.log("Body:", init.body);
+
+        try {
+            const response = await originalFetch(input, init);
+
+            request.response = {
+                status: response.status,
+                statusText: response.statusText
+            };
+
+            console.log("\nResponse:");
+            console.log(`URL:    ${url}`);
+            console.log(`Status: ${response.status} ${response.statusText}`);
+
+            try {
+                const clone = response.clone();
+                const text = await clone.text();
+
+                try {
+                    request.response.format = "json";
+                    request.response.body = JSON.parse(text);
+
+                    console.log("Format: JSON");
+                    console.log(JSON.stringify(request.response.body, null, 2));
+                } catch {
+                    request.response.format = "text";
+                    request.response.body = text;
+
+                    console.log("Format: Text/HTML");
+                    console.log(text.substring(0, 800) + (text.length > 800 ? "..." : ""));
+                }
+            } catch (err) {
+                request.response.body = `<Failed to read response body: ${err.message}>`;
+            }
+
+            logs.push(request);
+            save();
+
+            return response;
+        } catch (err) {
+            request.error = err.message;
+            logs.push(request);
+            save();
+
+            console.log(`URL:   ${url}`);
+            console.log(`Error: ${err.message}`);
+
+            throw err;
+        }
+    };
+}
+
 const sdk = new VylaSDK({
     tmdbApiKey: process.env.TMDB_API_KEY
 });