diff --git a/controllers/bonfire.js b/controllers/bonfire.js
index 6df65368e8..3bf4b48150 100644
--- a/controllers/bonfire.js
+++ b/controllers/bonfire.js
@@ -36,7 +36,7 @@ exports.index = function(req, res) {
     });
 };
 
-exports.returnNextBonfire = function(req, res) {
+exports.returnNextBonfire = function(req, res, next) {
     if (!req.user) {
         return res.redirect('../bonfires/meet-bonfire');
     }
@@ -49,24 +49,24 @@ exports.returnNextBonfire = function(req, res) {
             return elem;
         }
     });
-    req.user.save();
-
-    var uncompletedBonfires = req.user.uncompletedBonfires;
-
-    var displayedBonfires =  Bonfire.find({'_id': uncompletedBonfires[0]});
-    displayedBonfires.exec(function(err, bonfire) {
-        if (err) {
-            next(err);
-        }
-        bonfire = bonfire.pop();
-        if (bonfire === undefined) {
-            req.flash('errors', {
-                msg: "It looks like you've completed all the bonfires we have available. Good job!"
-            });
-            return res.redirect('../bonfires/meet-bonfire');
-        }
-        nameString = bonfire.name.toLowerCase().replace(/\s/g, '-');
-        return res.redirect('../bonfires/' + nameString);
+    req.user.save(function(err) {
+        if (err) return next(err);
+        var uncompletedBonfires = req.user.uncompletedBonfires;
+        var displayedBonfires =  Bonfire.find({'_id': uncompletedBonfires[0]});
+        displayedBonfires.exec(function(err, bonfire) {
+            if (err) {
+                return next(err);
+            }
+            bonfire = bonfire.pop();
+            if (bonfire === undefined) {
+                req.flash('errors', {
+                    msg: "It looks like you've completed all the bonfires we have available. Good job!"
+                });
+                return res.redirect('../bonfires/meet-bonfire');
+            }
+            nameString = bonfire.name.toLowerCase().replace(/\s/g, '-');
+            return res.redirect('../bonfires/' + nameString);
+        });
     });
 };
 
@@ -77,7 +77,7 @@ exports.returnIndividualBonfire = function(req, res, next) {
 
     Bonfire.find({"name" : new RegExp(bonfireName, 'i')}, function(err, bonfire) {
         if (err) {
-            next(err);
+            return next(err);
         }
 
 
@@ -235,7 +235,7 @@ exports.generateChallenge = function(req, res) {
     res.send(response);
 };
 
-exports.completedBonfire = function (req, res) {
+exports.completedBonfire = function (req, res, next) {
     var isCompletedWith = req.body.bonfireInfo.completedWith || undefined;
     var isCompletedDate = Math.round(+new Date() / 1000);
     var bonfireHash = req.body.bonfireInfo.bonfireHash;
@@ -245,7 +245,7 @@ exports.completedBonfire = function (req, res) {
         var paired = User.find({"profile.username": isCompletedWith.toLowerCase()}).limit(1);
         paired.exec(function (err, pairedWith) {
             if (err) {
-                return err;
+                return next(err);
             } else {
                 var index = req.user.uncompletedBonfires.indexOf(bonfireHash);
                 if (index > -1) {
@@ -276,9 +276,12 @@ exports.completedBonfire = function (req, res) {
                 })
 
                 req.user.save(function (err, user) {
+                    if (err) {
+                        return next(err);
+                    }
                     pairedWith.save(function (err, paired) {
                         if (err) {
-                            throw err;
+                            return next(err);
                         }
                         if (user && paired) {
                             res.send(true);
@@ -304,7 +307,7 @@ exports.completedBonfire = function (req, res) {
 
         req.user.save(function (err, user) {
             if (err) {
-                throw err;
+                return next(err);
             }
             if (user) {
                 debug('Saving user');
@@ -312,4 +315,4 @@ exports.completedBonfire = function (req, res) {
             }
         });
     }
-};
\ No newline at end of file
+};
diff --git a/controllers/challenges.js b/controllers/challenges.js
index 566a3c1fda..4461f3d0a0 100644
--- a/controllers/challenges.js
+++ b/controllers/challenges.js
@@ -27,7 +27,7 @@ exports.returnNextChallenge = function(req, res) {
     }
 };
 
-exports.returnChallenge = function(req, res) {
+exports.returnChallenge = function(req, res, next) {
     var challengeNumber = parseInt(req.params.challengeNumber) || 0;
     if (challengeNumber === 2) {
         req.user.challengesHash[challengeNumber] = Math.round(+new Date() / 1000);
@@ -55,7 +55,7 @@ exports.returnChallenge = function(req, res) {
     Challenge.find({}, null, { sort: { challengeNumber: 1 } }, function(err, c) {
         if (err) {
             debug('Challenge err: ', err);
-            next(err);
+            return next(err);
         }
         res.render('challenges/show', {
             title: 'Challenge: ' + c[challengeNumber].name,
diff --git a/controllers/courseware.js b/controllers/courseware.js
index b0f89b1116..0930bf2b90 100644
--- a/controllers/courseware.js
+++ b/controllers/courseware.js
@@ -52,7 +52,7 @@ exports.returnNextCourseware = function(req, res, next) {
         });
     });
 
-    
+
 };
 
 exports.returnIndividualCourseware = function(req, res, next) {
@@ -234,4 +234,4 @@ exports.completedCourseware = function (req, res, next) {
             res.send(true)
         }
     });
-};
\ No newline at end of file
+};
diff --git a/controllers/resources.js b/controllers/resources.js
index 0d8c0e5d55..94d0ece557 100644
--- a/controllers/resources.js
+++ b/controllers/resources.js
@@ -175,7 +175,9 @@ module.exports = {
         if (req.user) {
             if (!req.user.profile.picture || req.user.profile.picture === "https://s3.amazonaws.com/freecodecamp/favicons/apple-touch-icon-180x180.png") {
                 req.user.profile.picture = "https://s3.amazonaws.com/freecodecamp/camper-image-placeholder.png";
-                req.user.save();
+                req.user.save(function(err) {
+                    if (err) return next(err);
+                });
             }
         }
         var date1 = new Date("10/15/2014");
diff --git a/controllers/user.js b/controllers/user.js
index 20fda23b1a..5b0d2a9bb4 100644
--- a/controllers/user.js
+++ b/controllers/user.js
@@ -179,7 +179,7 @@ exports.postEmailSignup = function(req, res, next) {
                 ].join('')
             };
             transporter.sendMail(mailOptions, function(err) {
-                if (err) { return err; }
+                if (err) { return next(err); }
             });
         });
     });
@@ -210,8 +210,9 @@ exports.getAccountAngular = function(req, res) {
  * Unique username check API Call
  */
 
-exports.checkUniqueUsername = function(req, res) {
+exports.checkUniqueUsername = function(req, res, next) {
     User.count({'profile.username': req.params.username.toLowerCase()}, function (err, data) {
+        if (err) { return next(err); }
         if (data == 1) {
             return res.send(true);
         } else {
@@ -223,8 +224,9 @@ exports.checkUniqueUsername = function(req, res) {
 /**
  * Existing username check
  */
-exports.checkExistingUsername = function(req, res) {
+exports.checkExistingUsername = function(req, res, next) {
     User.count({'profile.username': req.params.username.toLowerCase()}, function (err, data) {
+        if (err) { return next(err); }
         if (data === 1) {
             return res.send(true);
         } else {
@@ -237,8 +239,9 @@ exports.checkExistingUsername = function(req, res) {
  * Unique email check API Call
  */
 
-exports.checkUniqueEmail = function(req, res) {
+exports.checkUniqueEmail = function(req, res, next) {
     User.count({'email': decodeURIComponent(req.params.email).toLowerCase()}, function (err, data) {
+        if (err) { return next(err); }
         if (data == 1) {
             return res.send(true);
         } else {
@@ -255,10 +258,11 @@ exports.checkUniqueEmail = function(req, res) {
 
 exports.returnUser = function(req, res, next) {
     User.find({'profile.username': req.params.username.toLowerCase()}, function(err, user) {
-        if (err) { debug('Username err: ', err); next(err); }
+        if (err) { debug('Username err: ', err); return next(err); }
         if (user[0]) {
             var user = user[0];
             Challenge.find({}, null, {sort: {challengeNumber: 1}}, function (err, c) {
+                if (err) { return next(err); }
                 res.render('account/show', {
                     title: 'Camper ' + user.profile.username + '\'s portfolio',
                     username: user.profile.username,
@@ -300,7 +304,7 @@ exports.returnUser = function(req, res, next) {
  * Update profile information.
  */
 
-exports.updateProgress = function(req, res) {
+exports.updateProgress = function(req, res, next) {
     User.findById(req.user.id, function(err, user) {
         if (err) return next(err);
         user.email = req.body.email || '';
@@ -471,7 +475,7 @@ exports.getOauthUnlink = function(req, res, next) {
  * Reset Password page.
  */
 
-exports.getReset = function(req, res) {
+exports.getReset = function(req, res, next) {
     if (req.isAuthenticated()) {
         return res.redirect('/');
     }