diff --git a/zou/app/blueprints/crud/entity.py b/zou/app/blueprints/crud/entity.py
index b420049893..464633d537 100644
--- a/zou/app/blueprints/crud/entity.py
+++ b/zou/app/blueprints/crud/entity.py
@@ -11,6 +11,7 @@
     EntityLink,
     EntityConceptLink,
 )
+from zou.app.models.project import Project
 from zou.app.models.subscription import Subscription
 from zou.app.services import (
     assets_service,
@@ -23,7 +24,7 @@
     user_service,
     concepts_service,
 )
-from zou.app.utils import events, date_helpers
+from zou.app.utils import date_helpers, events, permissions
 
 from werkzeug.exceptions import NotFound
 
@@ -56,6 +57,16 @@ def check_create_permissions(self, entity):
     def emit_create_event(self, entity_dict):
         self.emit_event("new", entity_dict)
 
+    def check_read_permissions(self):
+        return not permissions.has_vendor_permissions()
+
+    def add_project_permission_filter(self, query):
+        if not permissions.has_admin_permissions():
+            query = query.join(Project).filter(
+                user_service.build_related_projects_filter()
+            )
+        return query
+
     def update_data(self, data):
         data = super().update_data(data)
         data["created_by"] = persons_service.get_current_user()["id"]
diff --git a/zou/app/blueprints/crud/task.py b/zou/app/blueprints/crud/task.py
index 59db9b53f3..41780f965d 100644
--- a/zou/app/blueprints/crud/task.py
+++ b/zou/app/blueprints/crud/task.py
@@ -1,8 +1,11 @@
 from flask import request, current_app
 from flask_jwt_extended import jwt_required
 
+from sqlalchemy.orm import aliased
 from sqlalchemy.exc import IntegrityError
+
 from zou.app.mixin import ArgsMixin
+from zou.app.models.entity import Entity
 from zou.app.models.person import Person
 from zou.app.models.project import Project
 from zou.app.models.task import Task
@@ -21,7 +24,7 @@
 from zou.app.blueprints.crud.base import BaseModelsResource, BaseModelResource
 
 
-class TasksResource(BaseModelsResource):
+class TasksResource(BaseModelsResource, ArgsMixin):
     def __init__(self):
         BaseModelsResource.__init__(self, Task)
 
@@ -37,6 +40,46 @@ def add_project_permission_filter(self, query):
             )
         return query
 
+    def build_filters(self, options):
+        (
+            many_join_filter,
+            in_filter,
+            name_filter,
+            criterions,
+        ) = super().build_filters(options)
+        if "project_id" in criterions:
+            del criterions["project_id"]
+        if "episode_id" in criterions:
+            del criterions["episode_id"]
+        return (
+            many_join_filter,
+            in_filter,
+            name_filter,
+            criterions,
+        )
+
+    def apply_filters(self, query, options):
+        query = super().apply_filters(query, options)
+
+        project_id = options.get("project_id", None)
+        episode_id = options.get("episode_id", None)
+        if episode_id is not None:
+            Sequence = aliased(Entity)
+            query = (
+                query
+                .join(Entity, Task.entity_id == Entity.id)
+                .join(Sequence, Entity.parent_id == Sequence.id)
+                .filter(Sequence.parent_id == episode_id)
+            )
+        elif project_id is not None:
+            query = (
+                query
+                .join(Entity, Task.entity_id == Entity.id)
+                .filter(Entity.project_id == project_id)
+            )
+
+        return query
+
     def post(self):
         """
         Create a task with data given in the request body. JSON format is
diff --git a/zou/app/blueprints/previews/resources.py b/zou/app/blueprints/previews/resources.py
index 0bb1738205..d8a525f3dd 100644
--- a/zou/app/blueprints/previews/resources.py
+++ b/zou/app/blueprints/previews/resources.py
@@ -76,6 +76,7 @@
     "sbbkp",
     "svg",
     "swf",
+    "tvpp",
     "wav",
     "zip",
 ]
diff --git a/zou/app/blueprints/shots/resources.py b/zou/app/blueprints/shots/resources.py
index d130aea686..e55ee4c236 100644
--- a/zou/app/blueprints/shots/resources.py
+++ b/zou/app/blueprints/shots/resources.py
@@ -48,6 +48,52 @@ def get(self, shot_id):
         user_service.check_entity_access(shot["id"])
         return shot
 
+    @jwt_required()
+    def put(self, shot_id):
+        """
+        Update given shot.
+        ---
+        tags:
+        - Shots
+        parameters:
+          - in: path
+            name: shot_id
+            required: True
+            type: string
+            format: UUID
+            x-example: a24a6ea4-ce75-4665-a070-57453082c25
+         - in: body
+            name: data
+            required: True
+          type: object
+        responses:
+            200:
+                description: Update given shot
+        """
+        shot = shots_service.get_shot(shot_id)
+        user_service.check_manager_project_access(shot["project_id"])
+        data = request.json
+        if data is None:
+            raise ArgumentsException(
+                "Data are empty. Please verify that you sent JSON data and"
+                " that you set the right headers."
+            )
+        for field in [
+            "id",
+            "created_at",
+            "updated_at",
+            "instance_casting",
+            "project_id",
+            "entities_in",
+            "entities_out",
+            "type",
+            "shotgun_id",
+            "created_by"
+        ]:
+            data.pop(field, None)
+
+        return shots_service.update_shot(shot_id, data)
+
     @jwt_required()
     def delete(self, shot_id):
         """
diff --git a/zou/app/blueprints/tasks/resources.py b/zou/app/blueprints/tasks/resources.py
index b81f9e9baf..de0c1b5d9b 100644
--- a/zou/app/blueprints/tasks/resources.py
+++ b/zou/app/blueprints/tasks/resources.py
@@ -1463,7 +1463,6 @@ class ProjectTasksResource(Resource, ArgsMixin):
     """
 
     @jwt_required()
-    @permissions.require_admin
     def get(self, project_id):
         """
         Retrieve all tasks related to given project.
@@ -1478,13 +1477,37 @@ def get(self, project_id):
             type: string
             format: UUID
             x-example: a24a6ea4-ce75-4665-a070-57453082c25
+          - in: query
+            name: page
+            required: False
+            type: integer
+            x-example: 1
+          - in: query
+            name: task_type_id
+            required: False
+            type: string
+            format: UUID
+            x-example: a24a6ea4-ce75-4665-a070-57453082c25
+          - in: query
+            name: episode_id
+            required: False
+            type: string
+            format: UUID
+            x-example: a24a6ea4-ce75-4665-a070-57453082c25
         responses:
             200:
                 description: All tasks related to given project
         """
         projects_service.get_project(project_id)
         page = self.get_page()
-        return tasks_service.get_tasks_for_project(project_id, page)
+        task_type_id = self.get_task_type_id()
+        episode_id = self.get_episode_id()
+        return tasks_service.get_tasks_for_project(
+            project_id,
+            page,
+            task_type_id=task_type_id,
+            episode_id=episode_id
+        )
 
 
 class ProjectCommentsResource(Resource, ArgsMixin):
diff --git a/zou/app/services/tasks_service.py b/zou/app/services/tasks_service.py
index a4e8004c9f..83e88f5d9f 100644
--- a/zou/app/services/tasks_service.py
+++ b/zou/app/services/tasks_service.py
@@ -1698,13 +1698,38 @@ def get_time_spents_for_project(project_id, page=0):
     return query_utils.get_paginated_results(query, page)
 
 
-def get_tasks_for_project(project_id, page=0):
+def get_tasks_for_project(
+    project_id,
+    page=0,
+    task_type_id=None,
+    episode_id=None
+):
     """
     Return all tasks for given project.
     """
     query = Task.query.filter(Task.project_id == project_id).order_by(
         Task.updated_at.desc()
     )
+    if task_type_id is not None:
+        query = query.filter(Task.task_type_id == task_type_id)
+    if episode_id is not None:
+        Sequence = aliased(Entity, name="sequence")
+        query = (
+            query
+            .join(Entity, Entity.id == Task.entity_id)
+            .join(Sequence, Sequence.id == Entity.parent_id)
+            .filter(Sequence.parent_id == episode_id)
+        )
+
+        if permissions.has_vendor_permissions():
+            query = query.filter(user_service.build_assignee_filter())
+        elif not permissions.has_admin_permissions():
+            query = query.join(Project).filter(
+                user_service.build_related_projects_filter()
+            )
+        return query
+
+
     return query_utils.get_paginated_results(query, page, relations=True)
 
 
diff --git a/zou/app/utils/dbhelpers.py b/zou/app/utils/dbhelpers.py
index 8d32ee7ef1..c5837f4e7f 100644
--- a/zou/app/utils/dbhelpers.py
+++ b/zou/app/utils/dbhelpers.py
@@ -1,4 +1,4 @@
-from sqlalchemy import create_engine
+from sqlalchemy import create_engine, inspect
 from sqlalchemy_utils import database_exists, create_database
 from sqlalchemy.engine.url import URL
 from sqlalchemy.orm import close_all_sessions
@@ -39,3 +39,15 @@ def drop_all():
     db.session.flush()
     close_all_sessions()
     return db.drop_all()
+
+
+def is_init():
+    """
+    Check if database is initialized.
+    """
+    from zou.app import db
+    from zou.app.models.project_status import ProjectStatus
+    return (
+      inspect(db.engine).has_table("person")
+      and db.session.query(ProjectStatus).count() == 2
+    )
diff --git a/zou/cli.py b/zou/cli.py
index 4fdbfe3d5f..8dc7f17491 100755
--- a/zou/cli.py
+++ b/zou/cli.py
@@ -47,6 +47,21 @@ def init_db():
     print("Database and tables created.")
 
 
+@cli.command()
+def is_db_ready():
+    """
+    Return a message telling if the database wheter the database is 
+    initiliazed or not."
+    """
+    with app.app_context():
+        is_init = dbhelpers.is_init()
+        if is_init:
+            print("Database is initiliazed.")
+        else:
+            print("Database is not initiliazed. "
+                  "Run 'zou init-db' and 'init-data'.")
+
+
 @cli.command()
 @click.option("--message", default="")
 def migrate_db(message):