diff --git a/samples/generated/v2/snippet_metadata.google.bigtable.v2.json b/samples/generated/v2/snippet_metadata.google.bigtable.v2.json
new file mode 100644
index 000000000..dedcd3fb3
--- /dev/null
+++ b/samples/generated/v2/snippet_metadata.google.bigtable.v2.json
@@ -0,0 +1,327 @@
+{
+  "clientLibrary": {
+    "name": "nodejs-bigtable",
+    "version": "0.1.0",
+    "language": "TYPESCRIPT",
+    "apis": [
+      {
+        "id": "google.bigtable.v2",
+        "version": "v2"
+      }
+    ]
+  },
+  "snippets": [
+    {
+      "regionTag": "bigtable_v2_generated_Bigtable_ReadRows_async",
+      "title": "bigtable readRows Sample",
+      "origin": "API_DEFINITION",
+      "description": " Streams back the contents of all requested rows in key order, optionally applying the same Reader filter to each. Depending on their size, rows and cells may be broken up across multiple responses, but atomicity of each row will still be preserved. See the ReadRowsResponse documentation for details.",
+      "canonical": true,
+      "file": "bigtable.read_rows.js",
+      "language": "JAVASCRIPT",
+      "segments": [
+        {
+          "start": 20,
+          "end": 69,
+          "type": "FULL"
+        }
+      ],
+      "clientMethod": {
+        "shortName": "ReadRows",
+        "fullName": "google.bigtable.v2.Bigtable.ReadRows",
+        "async": true,
+        "parameters": [
+          {
+            "name": "table_name",
+            "type": "TYPE_STRING"
+          },
+          {
+            "name": "app_profile_id",
+            "type": "TYPE_STRING"
+          },
+          {
+            "name": "rows",
+            "type": ".google.bigtable.v2.RowSet"
+          },
+          {
+            "name": "filter",
+            "type": ".google.bigtable.v2.RowFilter"
+          },
+          {
+            "name": "rows_limit",
+            "type": "TYPE_INT64"
+          }
+        ],
+        "resultType": ".google.bigtable.v2.ReadRowsResponse",
+        "client": {
+          "shortName": "BigtableClient",
+          "fullName": "google.bigtable.v2.BigtableClient"
+        },
+        "method": {
+          "shortName": "ReadRows",
+          "fullName": "google.bigtable.v2.Bigtable.ReadRows",
+          "service": {
+            "shortName": "Bigtable",
+            "fullName": "google.bigtable.v2.Bigtable"
+          }
+        }
+      }
+    },
+    {
+      "regionTag": "bigtable_v2_generated_Bigtable_SampleRowKeys_async",
+      "title": "bigtable sampleRowKeys Sample",
+      "origin": "API_DEFINITION",
+      "description": " Returns a sample of row keys in the table. The returned row keys will delimit contiguous sections of the table of approximately equal size, which can be used to break up the data for distributed tasks like mapreduces.",
+      "canonical": true,
+      "file": "bigtable.sample_row_keys.js",
+      "language": "JAVASCRIPT",
+      "segments": [
+        {
+          "start": 20,
+          "end": 54,
+          "type": "FULL"
+        }
+      ],
+      "clientMethod": {
+        "shortName": "SampleRowKeys",
+        "fullName": "google.bigtable.v2.Bigtable.SampleRowKeys",
+        "async": true,
+        "parameters": [
+          {
+            "name": "table_name",
+            "type": "TYPE_STRING"
+          },
+          {
+            "name": "app_profile_id",
+            "type": "TYPE_STRING"
+          }
+        ],
+        "resultType": ".google.bigtable.v2.SampleRowKeysResponse",
+        "client": {
+          "shortName": "BigtableClient",
+          "fullName": "google.bigtable.v2.BigtableClient"
+        },
+        "method": {
+          "shortName": "SampleRowKeys",
+          "fullName": "google.bigtable.v2.Bigtable.SampleRowKeys",
+          "service": {
+            "shortName": "Bigtable",
+            "fullName": "google.bigtable.v2.Bigtable"
+          }
+        }
+      }
+    },
+    {
+      "regionTag": "bigtable_v2_generated_Bigtable_MutateRow_async",
+      "title": "bigtable mutateRow Sample",
+      "origin": "API_DEFINITION",
+      "description": " Mutates a row atomically. Cells already present in the row are left unchanged unless explicitly changed by `mutation`.",
+      "canonical": true,
+      "file": "bigtable.mutate_row.js",
+      "language": "JAVASCRIPT",
+      "segments": [
+        {
+          "start": 20,
+          "end": 64,
+          "type": "FULL"
+        }
+      ],
+      "clientMethod": {
+        "shortName": "MutateRow",
+        "fullName": "google.bigtable.v2.Bigtable.MutateRow",
+        "async": true,
+        "parameters": [
+          {
+            "name": "table_name",
+            "type": "TYPE_STRING"
+          },
+          {
+            "name": "app_profile_id",
+            "type": "TYPE_STRING"
+          },
+          {
+            "name": "row_key",
+            "type": "TYPE_BYTES"
+          },
+          {
+            "name": "mutations",
+            "type": "TYPE_MESSAGE[]"
+          }
+        ],
+        "resultType": ".google.bigtable.v2.MutateRowResponse",
+        "client": {
+          "shortName": "BigtableClient",
+          "fullName": "google.bigtable.v2.BigtableClient"
+        },
+        "method": {
+          "shortName": "MutateRow",
+          "fullName": "google.bigtable.v2.Bigtable.MutateRow",
+          "service": {
+            "shortName": "Bigtable",
+            "fullName": "google.bigtable.v2.Bigtable"
+          }
+        }
+      }
+    },
+    {
+      "regionTag": "bigtable_v2_generated_Bigtable_MutateRows_async",
+      "title": "bigtable mutateRows Sample",
+      "origin": "API_DEFINITION",
+      "description": " Mutates multiple rows in a batch. Each individual row is mutated atomically as in MutateRow, but the entire batch is not executed atomically.",
+      "canonical": true,
+      "file": "bigtable.mutate_rows.js",
+      "language": "JAVASCRIPT",
+      "segments": [
+        {
+          "start": 20,
+          "end": 61,
+          "type": "FULL"
+        }
+      ],
+      "clientMethod": {
+        "shortName": "MutateRows",
+        "fullName": "google.bigtable.v2.Bigtable.MutateRows",
+        "async": true,
+        "parameters": [
+          {
+            "name": "table_name",
+            "type": "TYPE_STRING"
+          },
+          {
+            "name": "app_profile_id",
+            "type": "TYPE_STRING"
+          },
+          {
+            "name": "entries",
+            "type": "TYPE_MESSAGE[]"
+          }
+        ],
+        "resultType": ".google.bigtable.v2.MutateRowsResponse",
+        "client": {
+          "shortName": "BigtableClient",
+          "fullName": "google.bigtable.v2.BigtableClient"
+        },
+        "method": {
+          "shortName": "MutateRows",
+          "fullName": "google.bigtable.v2.Bigtable.MutateRows",
+          "service": {
+            "shortName": "Bigtable",
+            "fullName": "google.bigtable.v2.Bigtable"
+          }
+        }
+      }
+    },
+    {
+      "regionTag": "bigtable_v2_generated_Bigtable_CheckAndMutateRow_async",
+      "title": "bigtable checkAndMutateRow Sample",
+      "origin": "API_DEFINITION",
+      "description": " Mutates a row atomically based on the output of a predicate Reader filter.",
+      "canonical": true,
+      "file": "bigtable.check_and_mutate_row.js",
+      "language": "JAVASCRIPT",
+      "segments": [
+        {
+          "start": 20,
+          "end": 81,
+          "type": "FULL"
+        }
+      ],
+      "clientMethod": {
+        "shortName": "CheckAndMutateRow",
+        "fullName": "google.bigtable.v2.Bigtable.CheckAndMutateRow",
+        "async": true,
+        "parameters": [
+          {
+            "name": "table_name",
+            "type": "TYPE_STRING"
+          },
+          {
+            "name": "app_profile_id",
+            "type": "TYPE_STRING"
+          },
+          {
+            "name": "row_key",
+            "type": "TYPE_BYTES"
+          },
+          {
+            "name": "predicate_filter",
+            "type": ".google.bigtable.v2.RowFilter"
+          },
+          {
+            "name": "true_mutations",
+            "type": "TYPE_MESSAGE[]"
+          },
+          {
+            "name": "false_mutations",
+            "type": "TYPE_MESSAGE[]"
+          }
+        ],
+        "resultType": ".google.bigtable.v2.CheckAndMutateRowResponse",
+        "client": {
+          "shortName": "BigtableClient",
+          "fullName": "google.bigtable.v2.BigtableClient"
+        },
+        "method": {
+          "shortName": "CheckAndMutateRow",
+          "fullName": "google.bigtable.v2.Bigtable.CheckAndMutateRow",
+          "service": {
+            "shortName": "Bigtable",
+            "fullName": "google.bigtable.v2.Bigtable"
+          }
+        }
+      }
+    },
+    {
+      "regionTag": "bigtable_v2_generated_Bigtable_ReadModifyWriteRow_async",
+      "title": "bigtable readModifyWriteRow Sample",
+      "origin": "API_DEFINITION",
+      "description": " Modifies a row atomically on the server. The method reads the latest existing timestamp and value from the specified columns and writes a new entry based on pre-defined read/modify/write rules. The new value for the timestamp is the greater of the existing timestamp or the current server time. The method returns the new contents of all modified cells.",
+      "canonical": true,
+      "file": "bigtable.read_modify_write_row.js",
+      "language": "JAVASCRIPT",
+      "segments": [
+        {
+          "start": 20,
+          "end": 65,
+          "type": "FULL"
+        }
+      ],
+      "clientMethod": {
+        "shortName": "ReadModifyWriteRow",
+        "fullName": "google.bigtable.v2.Bigtable.ReadModifyWriteRow",
+        "async": true,
+        "parameters": [
+          {
+            "name": "table_name",
+            "type": "TYPE_STRING"
+          },
+          {
+            "name": "app_profile_id",
+            "type": "TYPE_STRING"
+          },
+          {
+            "name": "row_key",
+            "type": "TYPE_BYTES"
+          },
+          {
+            "name": "rules",
+            "type": "TYPE_MESSAGE[]"
+          }
+        ],
+        "resultType": ".google.bigtable.v2.ReadModifyWriteRowResponse",
+        "client": {
+          "shortName": "BigtableClient",
+          "fullName": "google.bigtable.v2.BigtableClient"
+        },
+        "method": {
+          "shortName": "ReadModifyWriteRow",
+          "fullName": "google.bigtable.v2.Bigtable.ReadModifyWriteRow",
+          "service": {
+            "shortName": "Bigtable",
+            "fullName": "google.bigtable.v2.Bigtable"
+          }
+        }
+      }
+    }
+  ]
+}
diff --git a/src/v2/bigtable_client.ts b/src/v2/bigtable_client.ts
index 560410767..be3b1ee5e 100644
--- a/src/v2/bigtable_client.ts
+++ b/src/v2/bigtable_client.ts
@@ -18,8 +18,15 @@
 
 /* global window */
 import * as gax from 'google-gax';
-import {Callback, CallOptions, Descriptors, ClientOptions} from 'google-gax';
-
+import {
+  Callback,
+  CallOptions,
+  Descriptors,
+  ClientOptions,
+  GoogleError,
+} from 'google-gax';
+
+import {PassThrough} from 'stream';
 import * as protos from '../../protos/protos';
 import jsonProtos = require('../../protos/protos.json');
 /**
@@ -236,6 +243,16 @@ export class BigtableClient {
         stub =>
           (...args: Array<{}>) => {
             if (this._terminated) {
+              if (methodName in this.descriptors.stream) {
+                const stream = new PassThrough();
+                setImmediate(() => {
+                  stream.emit(
+                    'error',
+                    new GoogleError('The client has already been closed.')
+                  );
+                });
+                return stream;
+              }
               return Promise.reject('The client has already been closed.');
             }
             const func = stub[methodName];
diff --git a/test/gapic_bigtable_v2.ts b/test/gapic_bigtable_v2.ts
index ffa8554b8..03b0e1522 100644
--- a/test/gapic_bigtable_v2.ts
+++ b/test/gapic_bigtable_v2.ts
@@ -559,6 +559,32 @@ describe('v2.BigtableClient', () => {
           .calledWith(request, expectedOptions)
       );
     });
+
+    it('invokes readRows with closed client', async () => {
+      const client = new bigtableModule.v2.BigtableClient({
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
+        projectId: 'bogus',
+      });
+      client.initialize();
+      const request = generateSampleMessage(
+        new protos.google.bigtable.v2.ReadRowsRequest()
+      );
+      const expectedError = new Error('The client has already been closed.');
+      client.close();
+      const stream = client.readRows(request);
+      const promise = new Promise((resolve, reject) => {
+        stream.on(
+          'data',
+          (response: protos.google.bigtable.v2.ReadRowsResponse) => {
+            resolve(response);
+          }
+        );
+        stream.on('error', (err: Error) => {
+          reject(err);
+        });
+      });
+      await assert.rejects(promise, expectedError);
+    });
   });
 
   describe('sampleRowKeys', () => {
@@ -646,6 +672,32 @@ describe('v2.BigtableClient', () => {
           .calledWith(request, expectedOptions)
       );
     });
+
+    it('invokes sampleRowKeys with closed client', async () => {
+      const client = new bigtableModule.v2.BigtableClient({
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
+        projectId: 'bogus',
+      });
+      client.initialize();
+      const request = generateSampleMessage(
+        new protos.google.bigtable.v2.SampleRowKeysRequest()
+      );
+      const expectedError = new Error('The client has already been closed.');
+      client.close();
+      const stream = client.sampleRowKeys(request);
+      const promise = new Promise((resolve, reject) => {
+        stream.on(
+          'data',
+          (response: protos.google.bigtable.v2.SampleRowKeysResponse) => {
+            resolve(response);
+          }
+        );
+        stream.on('error', (err: Error) => {
+          reject(err);
+        });
+      });
+      await assert.rejects(promise, expectedError);
+    });
   });
 
   describe('mutateRows', () => {
@@ -733,6 +785,32 @@ describe('v2.BigtableClient', () => {
           .calledWith(request, expectedOptions)
       );
     });
+
+    it('invokes mutateRows with closed client', async () => {
+      const client = new bigtableModule.v2.BigtableClient({
+        credentials: {client_email: 'bogus', private_key: 'bogus'},
+        projectId: 'bogus',
+      });
+      client.initialize();
+      const request = generateSampleMessage(
+        new protos.google.bigtable.v2.MutateRowsRequest()
+      );
+      const expectedError = new Error('The client has already been closed.');
+      client.close();
+      const stream = client.mutateRows(request);
+      const promise = new Promise((resolve, reject) => {
+        stream.on(
+          'data',
+          (response: protos.google.bigtable.v2.MutateRowsResponse) => {
+            resolve(response);
+          }
+        );
+        stream.on('error', (err: Error) => {
+          reject(err);
+        });
+      });
+      await assert.rejects(promise, expectedError);
+    });
   });
 
   describe('Path templates', () => {