diff --git a/src/categories.js b/src/categories.js
index fd5cff501e..12a2e0e68d 100644
--- a/src/categories.js
+++ b/src/categories.js
@@ -132,8 +132,8 @@ var	RDB = require('./redis.js'),
 			}
 
 			function getTeaserInfo(next) {
-				topics.getTeaser(topicData.tid, function(teaser) {
-					next(null, teaser);
+				topics.getTeaser(topicData.tid, function(err, teaser) {
+					next(null, teaser || {});
 				});
 			}
 
@@ -178,10 +178,10 @@ var	RDB = require('./redis.js'),
 
 					topicData.username = topicInfo.username;
 					topicData.badgeclass = (topicInfo.hasread && current_user != 0) ? '' : 'badge-important';
-					topicData.teaser_text = topicInfo.teaserInfo.text,
-					topicData.teaser_username = topicInfo.teaserInfo.username;
-					topicData.teaser_userpicture = topicInfo.teaserInfo.picture;
-					topicData.teaser_timestamp = utils.relativeTime(topicInfo.teaserInfo.timestamp);
+					topicData.teaser_text = topicInfo.teaserInfo.text || '',
+					topicData.teaser_username = topicInfo.teaserInfo.username || '';
+					topicData.teaser_userpicture = topicInfo.teaserInfo.picture || '';
+					topicData.teaser_timestamp = topicInfo.teaserInfo.timestamp ? utils.relativeTime(topicInfo.teaserInfo.timestamp) : '';
 
 					if (isTopicVisible(topicData, topicInfo))
 						retrieved_topics.push(topicData);
diff --git a/src/postTools.js b/src/postTools.js
index 609124a384..a0e5f72ebd 100644
--- a/src/postTools.js
+++ b/src/postTools.js
@@ -88,6 +88,15 @@ marked.setOptions({
 				io.sockets.in('topic_' + tid).emit('event:post_deleted', {
 					pid: pid
 				});
+
+				// Delete the thread if it is the last undeleted post
+				threadTools.get_latest_undeleted_pid(tid, function(err, pid) {
+					if (err && err.message === 'no-undeleted-pids-found') {
+						threadTools.delete(tid, -1, function(err) {
+							if (err) console.log('Error: Could not delete topic (tid: ' + tid + ')');
+						});
+					}
+				});
 			});
 		};
 
diff --git a/src/threadTools.js b/src/threadTools.js
index fc870d846b..f3d5ceca42 100644
--- a/src/threadTools.js
+++ b/src/threadTools.js
@@ -3,7 +3,8 @@ var	RDB = require('./redis.js'),
 	categories = require('./categories.js'),
 	user = require('./user.js'),
 	async = require('async'),
-	notifications = require('./notifications.js');
+	notifications = require('./notifications.js'),
+	posts = require('./posts');
 
 (function(ThreadTools) {
 
@@ -80,25 +81,20 @@ var	RDB = require('./redis.js'),
 		});
 	}
 
-	ThreadTools.delete = function(tid, uid, socket) {
+	ThreadTools.delete = function(tid, uid, callback) {
 		ThreadTools.privileges(tid, uid, function(privileges) {
-			if (privileges.editable) {
+			if (privileges.editable || uid === -1) {
 				
 				topics.setTopicField(tid, 'deleted', 1);
 				ThreadTools.lock(tid, uid);
 
-				if (socket) {
-					io.sockets.in('topic_' + tid).emit('event:topic_deleted', {
-						tid: tid,
-						status: 'ok'
-					});
+				io.sockets.in('topic_' + tid).emit('event:topic_deleted', {
+					tid: tid,
+					status: 'ok'
+				});
 
-					socket.emit('api:topic.delete', {
-						status: 'ok',
-						tid: tid
-					});
-				}
-			}
+				callback(null);
+			} else callback(new Error('not-enough-privs'));
 		});
 	}
 
@@ -243,10 +239,12 @@ var	RDB = require('./redis.js'),
 			function(next) {
 				
 				topics.getTopicField(tid, 'title', function(title) {
-					topics.getTeaser(tid, function(teaser) {
+					topics.getTeaser(tid, function(err, teaser) {
+						if (!err) {
 							notifications.create(teaser.username + ' has posted a reply to: "' + title + '"', null, '/topic/' + tid, 'topic:' + tid, function(nid) {
-							next(null, nid);
-						});
+								next(null, nid);
+							});
+						} else next(err);
 					});
 				});
 					
@@ -259,10 +257,28 @@ var	RDB = require('./redis.js'),
 				});
 			}
 		], function(err, results) {
-			if (!err) {
-				notifications.push(results[0], results[1]);
-			}
+			if (!err) notifications.push(results[0], results[1]);
+			// Otherwise, do nothing
 		});
 	}
 
+	ThreadTools.get_latest_undeleted_pid = function(tid, callback) {
+
+		posts.getPostsByTid(tid, 0, -1, function(posts) {
+
+			var numPosts = posts.length;
+			if(!numPosts)
+				return callback(new Error('no-undeleted-pids-found'));
+				
+			while(numPosts--) {
+				if(posts[numPosts].deleted !== '1') {
+					callback(null, posts[numPosts].pid);
+					return;
+				}
+			}
+			
+			// If we got here, nothing was found...
+			callback(new Error('no-undeleted-pids-found'));
+		});		
+	}
 }(exports));
\ No newline at end of file
diff --git a/src/topics.js b/src/topics.js
index c353074bf8..a616df8bb3 100644
--- a/src/topics.js
+++ b/src/topics.js
@@ -153,7 +153,8 @@ marked.setOptions({
 		}
 
 		function getTeaser(next) {
-			Topics.getTeaser(tid, function(teaser) {
+			Topics.getTeaser(tid, function(err, teaser) {
+				if (err) teaser = {};
 				next(null, teaser);
 			});
 		}
@@ -169,9 +170,9 @@ marked.setOptions({
 
 			topicData.relativeTime = utils.relativeTime(topicData.timestamp);
 			topicData.badgeclass = hasRead ? '' : 'badge-important';
-			topicData.teaser_text = teaser.text;
-			topicData.teaser_username = teaser.username;
-			topicData.teaser_timestamp = utils.relativeTime(teaser.timestamp);
+			topicData.teaser_text = teaser.text || '';
+			topicData.teaser_username = teaser.username || '';
+			topicData.teaser_timestamp = teaser.timestamp ? utils.relativeTime(teaser.timestamp) : '';
 
 			callback(topicData);
 		});
@@ -262,52 +263,23 @@ marked.setOptions({
 	}
 	
 	Topics.getTeasers = function(tids, callback) {
-		var	requests = [];
+		var teasers = [];
 		if (Array.isArray(tids)) {
-			for(x=0,numTids=tids.length;x<numTids;x++) {
-				(function(tid) {
-					requests.push(function(next) {
-						Topics.getTeaser(tid, function(teaser_info) {
-							next(null, teaser_info);
-						});
-					});
-				})(tids[x]);
-			}
-			async.parallel(requests, function(err, teasers) {
+			async.each(tids, function(tid, next) {
+				Topics.getTeaser(tid, function(err, teaser_info) {
+					if (err) teaser_info = {};
+					teasers.push(teaser_info);
+					next();
+				});
+			}, function() {
 				callback(teasers);
 			});
-		} else {
-			callback([]);
-		}
-	}
-
-
-	Topics.get_latest_undeleted_pid = function(tid, callback) {
-
-		posts.getPostsByTid(tid, 0, -1, function(posts) {
-
-			var numPosts = posts.length;
-			if(!numPosts)
-				callback(null);
-				
-			while(numPosts--) {
-				if(posts[numPosts].deleted !== '1') {
-					callback(posts[numPosts].pid);
-					return;
-				}
-			}
-			if(posts.length > 0)			
-				callback(posts[0].pid);			
-			else 
-				callback(null);
-		});		
+		} else callback(teasers);
 	}
 
 	Topics.getTeaser = function(tid, callback) {
-		Topics.get_latest_undeleted_pid(tid, function(pid) {
-
-			if (pid !== null) {
-				
+		threadTools.get_latest_undeleted_pid(tid, function(err, pid) {
+			if (!err) {
 				posts.getPostFields(pid, ['content', 'uid', 'timestamp'], function(postData) {
 
 					user.getUserFields(postData.uid, ['username', 'picture'], function(userData) {
@@ -317,7 +289,7 @@ marked.setOptions({
 						if(postData.content)
 							stripped = utils.strip_tags(marked(postData.content));
 							
-						callback({
+						callback(null, {
 							"text": stripped,
 							"username": userData.username,
 							"picture": userData.picture,
@@ -325,14 +297,7 @@ marked.setOptions({
 						});
 					});
 				});
-			} else {
-				callback({
-					"text": "",
-					"username": "",
-					"picture": "",
-					"timestamp" : ""
-				});
-			}
+			} else callback(new Error('no-teaser-found'));
 		});
 	}
 
diff --git a/src/websockets.js b/src/websockets.js
index 06baff010a..ffc2516890 100644
--- a/src/websockets.js
+++ b/src/websockets.js
@@ -336,7 +336,14 @@ var SocketIO = require('socket.io').listen(global.server, { log:false }),
 		});
 
 		socket.on('api:topic.delete', function(data) {
-			threadTools.delete(data.tid, uid, socket);
+			threadTools.delete(data.tid, uid, function(err) {
+				if (!err) {
+					socket.emit('api:topic.delete', {
+						status: 'ok',
+						tid: data.tid
+					});
+				}
+			});
 		});
 
 		socket.on('api:topic.restore', function(data) {