diff --git a/NzbDrone.Core.Test/Datastore/ObjectDatabaseFixture.cs b/NzbDrone.Core.Test/Datastore/ObjectDatabaseFixture.cs
index 93abe509f..abbf8a106 100644
--- a/NzbDrone.Core.Test/Datastore/ObjectDatabaseFixture.cs
+++ b/NzbDrone.Core.Test/Datastore/ObjectDatabaseFixture.cs
@@ -4,7 +4,6 @@ using FluentAssertions;
 using NUnit.Framework;
 using NzbDrone.Core.Repository;
 using NzbDrone.Core.Test.Framework;
-using Db4objects.Db4o.Linq;
 
 namespace NzbDrone.Core.Test.Datastore
 {
@@ -14,7 +13,7 @@ namespace NzbDrone.Core.Test.Datastore
         [SetUp]
         public void SetUp()
         {
-            WithObjectDb(false);
+            WithObjectDb();
         }
 
         [Test]
@@ -25,7 +24,6 @@ namespace NzbDrone.Core.Test.Datastore
 
             Db.Create(series);
 
-            Db.Ext().Purge();
 
             Db.AsQueryable<Series>().Should().HaveCount(1);
 
@@ -47,38 +45,6 @@ namespace NzbDrone.Core.Test.Datastore
         }
 
 
-        [Test]
-        public void rollback_should_reset_state()
-        {
-            var episode = Builder<Episode>.CreateNew().Build();
-
-            Db.Create(episode);
-
-            Db.AsQueryable<Episode>().Should().HaveCount(1);
-
-            Db.Rollback();
-
-            Db.AsQueryable<Episode>().Should().HaveCount(0);
-        }
-
-        [Test]
-        public void roolback_should_only_roll_back_what_is_not_commited()
-        {
-            var episode = Builder<Episode>.CreateNew().Build();
-            var series = Builder<Series>.CreateNew().Build();
-
-            Db.Create(episode);
-
-            Db.Commit();
-
-            Db.Create(series);
-
-            Db.Rollback();
-
-            Db.AsQueryable<Episode>().Should().HaveCount(1);
-            Db.AsQueryable<Series>().Should().HaveCount(0);
-        }
-
 
         [Test]
         public void should_store_nested_objects()
@@ -102,7 +68,7 @@ namespace NzbDrone.Core.Test.Datastore
 
             episode.Series.Title = "UpdatedTitle";
 
-            Db.Update(episode, 2);
+            Db.Update(episode);
 
             Db.AsQueryable<Episode>().Should().HaveCount(1);
             Db.AsQueryable<Episode>().Single().Series.Should().NotBeNull();
diff --git a/NzbDrone.Core.Test/Framework/ObjectDbTest.cs b/NzbDrone.Core.Test/Framework/ObjectDbTest.cs
new file mode 100644
index 000000000..897810a91
--- /dev/null
+++ b/NzbDrone.Core.Test/Framework/ObjectDbTest.cs
@@ -0,0 +1,45 @@
+using System;
+using System.Linq;
+using NUnit.Framework;
+using NzbDrone.Core.Datastore;
+
+namespace NzbDrone.Core.Test.Framework
+{
+    public abstract class ObjectDbTest : CoreTest
+    {
+        private EloqueraDb _db;
+        protected EloqueraDb Db
+        {
+            get
+            {
+                if (_db == null)
+                    throw new InvalidOperationException("Test object database doesn't exists. Make sure you call WithRealDb() if you intend to use an actual database.");
+
+                return _db;
+            }
+        }
+
+        protected void WithObjectDb(bool memory = true)
+        {
+            if (memory)
+            {
+                _db = new EloqueraDbFactory().CreateMemoryDb();
+            }
+            else
+            {
+                _db = new EloqueraDbFactory().Create(Guid.NewGuid().ToString());
+            }
+
+            Mocker.SetConstant(Db);
+        }
+
+        [TearDown]
+        public void ObjectDbTearDown()
+        {
+            if (_db != null)
+            {
+                _db.Dispose();
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/NzbDrone.Core.Test/Framework/SqlCeTest.cs b/NzbDrone.Core.Test/Framework/SqlCeTest.cs
index 61e037214..c47dd737c 100644
--- a/NzbDrone.Core.Test/Framework/SqlCeTest.cs
+++ b/NzbDrone.Core.Test/Framework/SqlCeTest.cs
@@ -1,6 +1,5 @@
 using System;
 using System.IO;
-using Db4objects.Db4o.IO;
 using NUnit.Framework;
 using NzbDrone.Core.Datastore;
 using NzbDrone.Core.Model.Notification;
@@ -30,46 +29,6 @@ namespace NzbDrone.Core.Test.Framework
     }
 
 
-    public abstract class ObjectDbTest : CoreTest
-    {
-        private EloqueraDb _db;
-        protected EloqueraDb Db
-        {
-            get
-            {
-                if (_db == null)
-                    throw new InvalidOperationException("Test object database doesn't exists. Make sure you call WithRealDb() if you intend to use an actual database.");
-
-                return _db;
-            }
-        }
-
-        protected void WithObjectDb(bool memory = true)
-        {
-            if (memory)
-            {
-                //Todo: Actually use memory: http://www.eloquera.com/sites/default/files/filepicker/1/Help/Documentation/HTML/In-memory%20database.htm
-                _db = new EloqueraDbFactory().Create();
-            }
-            else
-            {
-                _db = new EloqueraDbFactory().Create(dbFilename: Guid.NewGuid().ToString());
-            }
-
-            Mocker.SetConstant(Db);
-        }
-
-        [TearDown]
-        public void ObjectDbTearDown()
-        {
-            if (_db != null)
-            {
-                _db.Dispose();
-            }
-        }
-    }
-
-
     public abstract class SqlCeTest : CoreTest
     {
         private string _dbTemplateName;
diff --git a/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj b/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj
index 8166e73a6..8862d93d8 100644
--- a/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj
+++ b/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj
@@ -65,24 +65,17 @@
     <Reference Include="AutoMoq">
       <HintPath>..\packages\AutoMoq.1.6.1\lib\AutoMoq.dll</HintPath>
     </Reference>
-    <Reference Include="Db4objects.Db4o">
-      <HintPath>..\packages\db4o-devel.8.1.184.15492\lib\net40\Db4objects.Db4o.dll</HintPath>
-    </Reference>
-    <Reference Include="Db4objects.Db4o.Data.Services">
-      <HintPath>..\packages\db4o-devel.8.1.184.15492\lib\net40\Db4objects.Db4o.Data.Services.dll</HintPath>
-    </Reference>
-    <Reference Include="Db4objects.Db4o.Linq">
-      <HintPath>..\packages\db4o-devel.8.1.184.15492\lib\net40\Db4objects.Db4o.Linq.dll</HintPath>
-    </Reference>
     <Reference Include="DeskMetrics.NET, Version=3.0.0.0, Culture=neutral, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\Libraries\DeskMetrics\DeskMetrics.NET.dll</HintPath>
     </Reference>
     <Reference Include="Eloquera.Client">
       <HintPath>..\packages\EloqueraDB.5.0.0\lib\net40\Eloquera.Client.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Eloquera.Common">
       <HintPath>..\packages\EloqueraDB.5.0.0\lib\net40\Eloquera.Common.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Eloquera.Server">
       <HintPath>..\packages\EloqueraDB.5.0.0\lib\net40\Eloquera.Server.exe</HintPath>
@@ -106,9 +99,6 @@
     <Reference Include="Microsoft.Practices.Unity.Configuration">
       <HintPath>..\packages\Unity.2.1.505.2\lib\NET35\Microsoft.Practices.Unity.Configuration.dll</HintPath>
     </Reference>
-    <Reference Include="Mono.Reflection">
-      <HintPath>..\packages\db4o-devel.8.1.184.15492\lib\net40\Mono.Reflection.dll</HintPath>
-    </Reference>
     <Reference Include="Moq, Version=4.0.10827.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
       <HintPath>..\packages\Moq.4.0.10827\lib\NET40\Moq.dll</HintPath>
     </Reference>
@@ -157,6 +147,7 @@
   <ItemGroup>
     <Compile Include="Datastore\ObjectDatabaseFixture.cs" />
     <Compile Include="Framework\CoreTestTSubject.cs" />
+    <Compile Include="Framework\ObjectDbTest.cs" />
     <Compile Include="HelperTests\XElementHelperTests\ConvertToTFixture.cs" />
     <Compile Include="IndexerTests\NzbxFixture.cs" />
     <Compile Include="JobTests\RenameSeasonJobFixture.cs" />
diff --git a/NzbDrone.Core.Test/packages.config b/NzbDrone.Core.Test/packages.config
index 8d13db8e9..bce8f8a52 100644
--- a/NzbDrone.Core.Test/packages.config
+++ b/NzbDrone.Core.Test/packages.config
@@ -3,7 +3,6 @@
   <package id="Autofac" version="2.6.3.862" targetFramework="net40" />
   <package id="AutoMoq" version="1.6.1" targetFramework="net40" />
   <package id="CommonServiceLocator" version="1.0" targetFramework="net40" />
-  <package id="db4o-devel" version="8.1.184.15492" targetFramework="net40" />
   <package id="EloqueraDB" version="5.0.0" targetFramework="net40" />
   <package id="FluentAssertions" version="2.0.0.1" targetFramework="net40" />
   <package id="Microsoft.SqlServer.Compact" version="4.0.8876.1" targetFramework="net40" />
diff --git a/NzbDrone.Core/Datastore/EloqueraDb.cs b/NzbDrone.Core/Datastore/EloqueraDb.cs
index a6dc1b0a0..7a55c5097 100644
--- a/NzbDrone.Core/Datastore/EloqueraDb.cs
+++ b/NzbDrone.Core/Datastore/EloqueraDb.cs
@@ -1,84 +1,64 @@
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
 using Eloquera.Client;
 
 namespace NzbDrone.Core.Datastore
 {
     public class EloqueraDb : IDisposable
     {
-        private DB _db;
+        private readonly DB _db;
 
         public EloqueraDb(DB db)
         {
             _db = db;
         }
 
-        public int Create(object obj)
-        {
-            return Convert.ToInt32(_db.Store(obj));
-        }
-
-        public void Update(object obj)
-        {
-            _db.Store(obj);
-        }
-
-        public void Delete(object obj)
-        {
-            _db.Delete(obj);
-        }
-
-        public void DeleteAll(object obj)
-        {
-            _db.DeleteAll(obj);
-        }
-
-        public IEnumerable<T> Query<T>()
+        public IEnumerable<T> AsQueryable<T>()
         {
             return _db.Query<T>();
         }
 
-        public IEnumerable ExecuteQuery(string query)
-        {
-            return _db.ExecuteQuery(query);
-        }
 
-        public IEnumerable ExecuteQuery(string query, int depth)
+        public T Create<T>(T obj)
         {
-            return _db.ExecuteQuery(query, depth);
+            _db.Store(obj);
+            return obj;
         }
 
-        public IEnumerable ExecuteQuery(string query, int depth, Parameters parameters)
+        public IList<T> CreateMany<T>(IEnumerable<T> objects)
         {
-            return _db.ExecuteQuery(query, depth, parameters);
+            return DoMany(objects, Create);
         }
 
-        public IEnumerable ExecuteQuery(string query, Parameters parameters)
+        public T Update<T>(T obj)
         {
-            return _db.ExecuteQuery(query, parameters);
+            _db.Store(obj);
+            return obj;
         }
 
-        public object ExecutScalar(string query)
+        public IList<T> UpdateMany<T>(IEnumerable<T> objects)
         {
-            return _db.ExecuteQuery(query);
+            return DoMany(objects, Update);
         }
 
-        public object ExecuteScalar(string query, int depth)
+
+        public void Delete<T>(T obj)
         {
-            return _db.ExecuteQuery(query, depth);
+            _db.Delete(obj);
         }
 
-        public object ExecuteScalar(string query, int depth, Parameters parameters)
+        public void DeleteMany<T>(IEnumerable<T> objects)
         {
-            return _db.ExecuteQuery(query, depth, parameters);
+            foreach (var o in objects)
+            {
+                Delete(o);
+            }
         }
 
-        public object ExecuteScalar(string query, Parameters parameters)
+        private IList<T> DoMany<T>(IEnumerable<T> objects, Func<T, T> function)
         {
-            return _db.ExecuteQuery(query, parameters);
+            return objects.Select(function).ToList();
         }
 
         public void Dispose()
diff --git a/NzbDrone.Core/Datastore/EloqueraDbFactory.cs b/NzbDrone.Core/Datastore/EloqueraDbFactory.cs
index 77e3e5544..29dd92ed6 100644
--- a/NzbDrone.Core/Datastore/EloqueraDbFactory.cs
+++ b/NzbDrone.Core/Datastore/EloqueraDbFactory.cs
@@ -1,31 +1,31 @@
 using System;
-using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Text;
 using Eloquera.Client;
-using NzbDrone.Common;
 
 namespace NzbDrone.Core.Datastore
 {
     public class EloqueraDbFactory
     {
-        private readonly EnvironmentProvider _environmentProvider;
-
-        public EloqueraDbFactory()
+        public EloqueraDb CreateMemoryDb()
         {
-            _environmentProvider = new EnvironmentProvider();
+            return InternalCreate("server=(local);password=;options=inmemory;",Guid.NewGuid().ToString());
         }
 
-        public EloqueraDb Create(string dbName = "NzbDrone", string dbFilename = "nzbdrone.eloq")
+        public EloqueraDb Create(string dbPath)
         {
-            DB db = new DB();
-            DB.Configuration.ServerSettings.DatabasePath = Path.Combine(_environmentProvider.GetAppDataPath(), dbName);
-            db.CreateDatabase(dbName);
-            db.OpenDatabase(dbName);
-            db.RefreshMode = ObjectRefreshMode.AlwaysReturnUpdatedValues;
+            var file = new FileInfo(dbPath).Name;
+            return InternalCreate(string.Format("server=(local);database={0};usedatapath={1};password=;", file, dbPath),file);
+        }
 
+        private EloqueraDb InternalCreate(string connectionString, string databaseName)
+        {
+            var db = new DB(connectionString);
+            db.CreateDatabase(databaseName);
+            db.OpenDatabase(databaseName);
             return new EloqueraDb(db);
         }
+
+
     }
 }
diff --git a/NzbDrone.Core/Repository/Series.cs b/NzbDrone.Core/Repository/Series.cs
index 1b10976e1..764ce5f5b 100644
--- a/NzbDrone.Core/Repository/Series.cs
+++ b/NzbDrone.Core/Repository/Series.cs
@@ -1,5 +1,6 @@
 using System;
 using System.ComponentModel;
+using Eloquera.Client;
 using NzbDrone.Core.Model;
 using NzbDrone.Core.Repository.Quality;
 using PetaPoco;
@@ -9,6 +10,10 @@ namespace NzbDrone.Core.Repository
     [PrimaryKey("SeriesId", autoIncrement = false)]
     public class Series
     {
+
+        [ID]
+        public  int Id;
+
         public virtual int SeriesId { get; set; }
 
         public string Title { get; set; }
@@ -66,7 +71,7 @@ namespace NzbDrone.Core.Repository
         /// <value><c>true</c> if hidden; otherwise, <c>false</c>.</value>
         /// <remarks>This field will be used for shows that are pending delete or 
         /// new series that haven't been successfully imported</remarks>
-        [Ignore]
+        [PetaPoco.Ignore]
         public bool Hidden { get; set; }
 
         [ResultColumn]