diff --git a/bin/jack.js b/bin/jack.js
index 2316a9976..1f3b4cf3f 100644
--- a/bin/jack.js
+++ b/bin/jack.js
@@ -559,6 +559,9 @@ Much more documentation available at: https://www.node-tap.org/
     description: `Run .js and .mjs with support for EcmaScript modules
                   (Default: true)`,
   }),
+  flow: flag({
+    description: `Removes flow types`,
+  }),
 
   ts: flag({
     default: process.env.TAP_NO_TS !== '1',
diff --git a/bin/run.js b/bin/run.js
index 013fe3f76..d589ea584 100755
--- a/bin/run.js
+++ b/bin/run.js
@@ -14,6 +14,7 @@ const path = require('path')
 const exists = require('fs-exists-cached').sync
 const os = require('os')
 const tsNode = require.resolve('ts-node/register')
+const flowNode = require.resolve("flow-remove-types/register");
 const esm = require.resolve('esm')
 const jsx = require.resolve('./jsx.js')
 const mkdirp = require('mkdirp').sync
@@ -22,6 +23,7 @@ const {ProcessDB} = require('istanbul-lib-processinfo')
 const rimraf = require('rimraf').sync
 const {Repl} = require('../lib/repl.js')
 
+
 /* istanbul ignore next */
 const debug = process.env.TAP_DEBUG === '1'
   || /\btap\b/.test(process.env.NODE_DEBUG) ? (...args) => {
@@ -602,6 +604,9 @@ const runAllFiles = (options, tap) => {
       if (options.jobs > 1)
         opt.buffered = isParallelOk(parallelOk, file) !== false
 
+      if (options.flow)
+        options['node-arg'].push('-r', flowNode)
+
       if (options.ts && /\.tsx?$/.test(file)) {
         debug('ts file', file)
         const compilerOpts = JSON.stringify({
diff --git a/package-lock.json b/package-lock.json
index c0642c69a..bfc87a6f6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1026,6 +1026,21 @@
       "resolved": "https://registry.npmjs.org/findit/-/findit-2.0.0.tgz",
       "integrity": "sha1-ZQnwEmr0wXhVHPqZOU4DLhOk1W4="
     },
+    "flow-parser": {
+      "version": "0.99.0",
+      "resolved": "https://registry.npmjs.org/flow-parser/-/flow-parser-0.99.0.tgz",
+      "integrity": "sha512-6opkcL97qs5MhXqP9X/jym0lia6jsqyHpA+Z+6GlJv3bPOfmR45WACEwubJCXv0rMS1ryGF+E5ONzRpxzSoGZQ=="
+    },
+    "flow-remove-types": {
+      "version": "2.99.0",
+      "resolved": "https://registry.npmjs.org/flow-remove-types/-/flow-remove-types-2.99.0.tgz",
+      "integrity": "sha512-xPkxMExWtX/qJ9HnWOTHHN5Aniv7tYPAzjPl70/sh6BPdD0TzufyDBzjp4gy+tKHyE/aWX8qHbnpsU1yb0iLDg==",
+      "requires": {
+        "flow-parser": "^0.99.0",
+        "pirates": "^3.0.2",
+        "vlq": "^0.2.1"
+      }
+    },
     "foreground-child": {
       "version": "1.5.6",
       "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-1.5.6.tgz",
@@ -1857,6 +1872,11 @@
       "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
       "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ=="
     },
+    "node-modules-regexp": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz",
+      "integrity": "sha1-jZ2+KJZKSsVxLpExZCEHxx6Q7EA="
+    },
     "normalize-package-data": {
       "version": "2.5.0",
       "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
@@ -2123,6 +2143,14 @@
       "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
       "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g=="
     },
+    "pirates": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/pirates/-/pirates-3.0.2.tgz",
+      "integrity": "sha512-c5CgUJq6H2k6MJz72Ak1F5sN9n9wlSlJyEnwvpm9/y3WB4E3pHBDT2c6PEiS1vyJvq2bUxUAIu0EGf8Cx4Ic7Q==",
+      "requires": {
+        "node-modules-regexp": "^1.0.0"
+      }
+    },
     "pkg-dir": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-3.0.0.tgz",
@@ -2840,6 +2868,11 @@
         "extsprintf": "^1.2.0"
       }
     },
+    "vlq": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/vlq/-/vlq-0.2.3.tgz",
+      "integrity": "sha512-DRibZL6DsNhIgYQ+wNdWDL2SL3bKPlVrRiBqV5yuMm++op8W4kGFtaQfCs4KEJn0wBZcHVHJ3eoywX8983k1ow=="
+    },
     "which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
diff --git a/package.json b/package.json
index 7e68b8aac..05880f574 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
     "domain-browser": "^1.2.0",
     "esm": "^3.2.25",
     "findit": "^2.0.0",
+    "flow-remove-types": "^2.99.0",
     "foreground-child": "^1.3.3",
     "fs-exists-cached": "^1.0.0",
     "function-loop": "^1.0.2",
diff --git a/tap-snapshots/test-run-dump-config.js-TAP.test.js b/tap-snapshots/test-run-dump-config.js-TAP.test.js
index 1e0ed0883..961d8e4e8 100644
--- a/tap-snapshots/test-run-dump-config.js-TAP.test.js
+++ b/tap-snapshots/test-run-dump-config.js-TAP.test.js
@@ -19,6 +19,7 @@ coverage-report: []
 debug: false
 esm: false
 files: []
+flow: false
 functions: 100
 grep: []
 help: false
@@ -67,6 +68,7 @@ coverage-report: []
 debug: false
 esm: false
 files: []
+flow: false
 functions: 100
 grep: []
 help: false
@@ -115,6 +117,7 @@ coverage-report: []
 debug: false
 esm: false
 files: []
+flow: false
 functions: 100
 grep: []
 help: false
@@ -163,6 +166,7 @@ coverage-report: []
 debug: false
 esm: false
 files: []
+flow: false
 functions: 100
 grep: []
 help: false
@@ -211,6 +215,7 @@ coverage-report: []
 debug: false
 esm: false
 files: []
+flow: false
 functions: 100
 grep: []
 help: false
@@ -259,6 +264,7 @@ coverage-report: []
 debug: false
 esm: false
 files: []
+flow: false
 functions: 100
 grep: []
 help: false
@@ -309,6 +315,7 @@ coverage-report:
 debug: true
 esm: false
 files: []
+flow: false
 functions: 100
 grep:
   - x
@@ -368,6 +375,7 @@ coverage-report: []
 debug: false
 esm: false
 files: []
+flow: false
 functions: 100
 grep: []
 help: false
diff --git a/tap-snapshots/test-run-flow.js-TAP.test.js b/tap-snapshots/test-run-flow.js-TAP.test.js
new file mode 100644
index 000000000..05c118352
--- /dev/null
+++ b/tap-snapshots/test-run-flow.js-TAP.test.js
@@ -0,0 +1,32 @@
+/* IMPORTANT
+ * This snapshot file is auto-generated, but designed for humans.
+ * It should be checked into source control and tracked carefully.
+ * Re-generate by setting TAP_SNAPSHOT=1 and running tests.
+ * Make sure to inspect the output below.  Do not ignore changes!
+ */
+'use strict'
+exports[`test/run/flow.js TAP flow > must match snapshot 1`] = `
+TAP version 13
+ok 1 - cli-tests/flow/ok.js # {time} {
+    ok 1 - this is fine
+    1..1
+    # {time}
+}
+
+1..1
+# {time}
+
+`
+
+exports[`test/run/flow.js TAP flow manually > must match snapshot 1`] = `
+TAP version 13
+ok 1 - cli-tests/flow/ok2.js # {time} {
+    ok 1 - this is fine
+    1..1
+    # {time}
+}
+
+1..1
+# {time}
+
+`
diff --git a/test/run/flow.js b/test/run/flow.js
new file mode 100644
index 000000000..48e681b31
--- /dev/null
+++ b/test/run/flow.js
@@ -0,0 +1,45 @@
+const {
+  tmpfile,
+  run,
+  tap,
+  t,
+} = require('./')
+
+
+t.test('flow', t => {
+  const ok = tmpfile(t, 'flow/ok.js', `
+    // @flow
+    const t = require(${tap})
+    function square(n: number): number {
+      return n * n;
+    }
+    t.pass('this is fine')
+  `)
+
+  const args = [ok, '--flow']
+
+  run(args, {}, (er, o, e) => {
+    t.equal(er, null)
+    t.matchSnapshot(o)
+    t.end()
+  })
+})
+
+t.test('flow manually', t => {
+  const ok = tmpfile(t, 'flow/ok2.js', `
+    // @flow
+    const t = require(${tap})
+    function square(n: number): number {
+      return n * n;
+    }
+    t.pass('this is fine')
+  `)
+
+  const args = [ok, '--node-arg=--require', '--node-arg=flow-remove-types/register']
+  
+  run(args, {}, (er, o, e) => {
+    t.equal(er, null)
+    t.matchSnapshot(o)
+    t.end()
+  })
+})
\ No newline at end of file