diff --git a/scripts/commands/epg/grab.ts b/scripts/commands/epg/grab.ts
index 8c97811ca..f3b105dc4 100644
--- a/scripts/commands/epg/grab.ts
+++ b/scripts/commands/epg/grab.ts
@@ -1,6 +1,6 @@
+import { loadJs, parseProxy, parseNumber, parseList } from '../../core'
 import { Logger, Timer, Collection, Template } from '@freearhey/core'
 import epgGrabber, { EPGGrabber, EPGGrabberMock } from 'epg-grabber'
-import { loadJs, parseProxy, parseNumber } from '../../core'
 import { CurlBody } from 'curl-generator/dist/bodies/body'
 import { Channel, Guide, Program } from '../../models'
 import { SocksProxyAgent } from 'socks-proxy-agent'
@@ -17,11 +17,16 @@ import merge from 'lodash.merge'
 import path from 'path'
 
 program
-  .addOption(new Option('-s, --site <name>', 'Name of the site to parse'))
+  .addOption(
+    new Option(
+      '-s, --sites <names>',
+      'A comma-separated list of the site names to parse'
+    ).argParser(parseList)
+  )
   .addOption(
     new Option(
       '-c, --channels <path>',
-      'Path to *.channels.xml file (required if the "--site" attribute is not specified)'
+      'Path to *.channels.xml file (required if the "--sites" attribute is not specified)'
     )
   )
   .addOption(new Option('-o, --output <path>', 'Path to output file'))
@@ -56,7 +61,7 @@ program
   .parse()
 
 interface GrabOptions {
-  site?: string
+  sites?: string[]
   channels?: string
   output?: string
   gzip?: boolean
@@ -73,8 +78,8 @@ interface GrabOptions {
 const options: GrabOptions = program.opts()
 
 async function main() {
-  if (typeof options.site !== 'string' && typeof options.channels !== 'string')
-    throw new Error('One of the arguments must be presented: `--site` or `--channels`')
+  if (!Array.isArray(options.sites) && typeof options.channels !== 'string')
+    throw new Error('One of the arguments must be presented: `--sites` or `--channels`')
 
   const LOG_LEVELS = { info: 3, debug: 4 }
   const logger = new Logger({ level: options.debug ? LOG_LEVELS['debug'] : LOG_LEVELS['info'] })
@@ -154,10 +159,15 @@ async function main() {
   const storage = new Storage()
 
   let files: string[] = []
-  if (typeof options.site === 'string') {
-    let pattern = path.join(SITES_DIR, options.site, '*.channels.xml')
-    pattern = pattern.replace(/\\/g, '/')
-    files = await storage.list(pattern)
+  if (Array.isArray(options.sites)) {
+    for (const site of options.sites) {
+      let pattern = path.join(SITES_DIR, site, '*.channels.xml')
+      pattern = pattern.replace(/\\/g, '/')
+      const foundFiles = await storage.list(pattern)
+      foundFiles.forEach((filepath: string) => {
+        files.push(filepath)
+      })
+    }
   } else if (typeof options.channels === 'string') {
     files = await storage.list(options.channels)
   }