diff --git a/readme.md b/readme.md
index c88f4dd0..d52d64c8 100644
--- a/readme.md
+++ b/readme.md
@@ -457,7 +457,7 @@ Adds Aria Live attribute to slider.
 default: true
 options: boolean (true / false)
 ```
-    
+
 **ariaHidden**
 Adds Aria Hidden attribute to any nonvisible slides.
 ```
@@ -485,6 +485,16 @@ arguments:
   currentIndex: element index of the current slide
 ```
 
+**onNeedData**
+Executes when the next page to be displayed will require more data to be fetched
+```
+default: function($slideElement, callback) { callback(); }
+options: function($slideElement, callback) { // your code here }
+arguments:
+    $slideElement: jQuery element of the destination element
+    callback: function to be called once DOM is updated with new elements
+```
+
 **onSlideBefore**
 Executes immediately before each slide transition.
 ```
@@ -618,7 +628,7 @@ slider.destroySlider();
 From the command line:
 
 1. Install `grunt-cli` and `bower` globally with `npm install -g grunt-cli bower`.
-2. Run `npm install`. npm will look at `package.json` and automatically install the necessary dependencies. 
+2. Run `npm install`. npm will look at `package.json` and automatically install the necessary dependencies.
 3. Run `bower install`, which installs front-end packages defined in `bower.json`.
 
 When completed, you'll be able to run the various Grunt commands provided from the command line.
@@ -648,7 +658,7 @@ Everyone is welcome to help [contribute](CONTRIBUTING.md) and improve this proje
 * Fix: Slider runs into undefined state when reloadSlider is called before initialization was finished #833
 
 ### Version 4.2.4
-NOTICE: We have switched to a Grunt based build process in order to leverage [Assemble](http://assemble.io) for local documentation building. Please review the above notes about Grunt for the commands available. 
+NOTICE: We have switched to a Grunt based build process in order to leverage [Assemble](http://assemble.io) for local documentation building. Please review the above notes about Grunt for the commands available.
 
 * Fix: Fixed transition from first to last slide during infinite loop #778
 * Fix: Reload on multiple sliders doesn't work? #755
@@ -661,7 +671,7 @@ NOTICE: We have switched to a Grunt based build process in order to leverage [As
 * Enhancement: Slider getter through jquery object #739
 * Enhancement: Add aria attributes #751
 * Enhancement: Slider element in every callback and a new method getSliderElement (#780)
-* Enhancement: Local Documentiation and examples. I have added buildable documentation to the repo. This will expand over time and allow for community corrections as needed. Please see above Grunt notes on how to build. 
+* Enhancement: Local Documentiation and examples. I have added buildable documentation to the repo. This will expand over time and allow for community corrections as needed. Please see above Grunt notes on how to build.
 
 
 ### Version 4.2.3
@@ -745,4 +755,4 @@ You now have all the necessary dependencies to run the build process.
 * Slider now only needs to load visible slides (by default) in order to initialize which results in much faster loading. A "preloadImages" setting allows for configuration.
 
 
-Long live Zep.
\ No newline at end of file
+Long live Zep.
diff --git a/src/js/jquery.bxslider.js b/src/js/jquery.bxslider.js
index a0a834b6..5217682a 100644
--- a/src/js/jquery.bxslider.js
+++ b/src/js/jquery.bxslider.js
@@ -79,6 +79,7 @@
     onSliderLoad: function() { return true; },
     onSlideBefore: function() { return true; },
     onSlideAfter: function() { return true; },
+    onNeedData: function(slideElement, callback) { callback(false); },
     onSlideNext: function() { return true; },
     onSlidePrev: function() { return true; },
     onSliderResize: function() { return true; }
@@ -482,6 +483,13 @@
       return pagerQty;
     };
 
+    var needData = function() {
+      var curr = (slider.active.index + 1) * getNumberSlidesShowing(),
+          needed = curr + getNumberSlidesShowing();
+
+      return !slider.settings.infiniteLoop && needed > slider.children.length;
+    };
+
     /**
      * Returns the number of individual slides by which to shift the slider
      */
@@ -1323,7 +1331,7 @@
      * @param direction (string)
      *  - INTERNAL USE ONLY - the direction of travel ("prev" / "next")
      */
-    el.goToSlide = function(slideIndex, direction) {
+    var _goToSlide = function(slideIndex, direction) {
       // onSlideBefore, onSlideNext, onSlidePrev callbacks
       // Allow transition canceling based on returned value
       var performTransition = true,
@@ -1433,6 +1441,17 @@
       if (slider.settings.ariaHidden) { applyAriaHiddenAttributes(slider.active.index * getMoveBy()); }
     };
 
+    el.goToSlide = function(slideIndex, direction) {
+      if (needData()) {
+        slider.settings.onNeedData(slider.children.eq(slider.active.index), function() {
+          slider.children = el.children(slider.settings.slideSelector);
+          _goToSlide(slideIndex, direction);
+        });
+      } else {
+        _goToSlide(slideIndex, direction);
+      }
+    };
+
     /**
      * Transitions to the next slide in the show
      */