diff --git a/panda/src/express/memoryUsage.cxx b/panda/src/express/memoryUsage.cxx
index c4395bb09f..026f90cf60 100644
--- a/panda/src/express/memoryUsage.cxx
+++ b/panda/src/express/memoryUsage.cxx
@@ -254,6 +254,116 @@ heap_free_single(void *ptr) {
   }
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: MemoryUsage::heap_alloc_array
+//       Access: Public, Virtual
+//  Description: Allocates a block of memory from the heap, similar to
+//               malloc().  This will never return NULL; it will abort
+//               instead if memory is not available.
+////////////////////////////////////////////////////////////////////
+void *MemoryUsage::
+heap_alloc_array(size_t size) {
+  void *ptr;
+
+  if (_recursion_protect) {
+    ptr = MemoryHook::heap_alloc_array(size);
+    if (express_cat.is_spam()) {
+      express_cat.spam()
+        << "Allocating array pointer " << (void *)ptr
+        << " during recursion protect.\n";
+    }
+
+  } else {
+    if (_track_memory_usage) {
+      ptr = MemoryHook::heap_alloc_array(size);
+      /*
+      if (express_cat.is_spam()) {
+        express_cat.spam()
+          << "Allocating array pointer " << (void *)ptr
+          << " of size " << size << ".\n";
+      }
+      */
+
+      get_global_ptr()->ns_record_void_pointer(ptr, size);
+
+    } else {
+      ptr = MemoryHook::heap_alloc_array(size);
+    }
+  }
+
+  return ptr;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: MemoryUsage::heap_realloc_array
+//       Access: Public, Virtual
+//  Description: Resizes a block of memory previously returned from
+//               heap_alloc_array.
+////////////////////////////////////////////////////////////////////
+void *MemoryUsage::
+heap_realloc_array(void *ptr, size_t size) {
+  if (_recursion_protect) {
+    ptr = MemoryHook::heap_realloc_array(ptr, size);
+    if (express_cat.is_spam()) {
+      express_cat.spam()
+        << "Reallocating array pointer " << (void *)ptr
+        << " during recursion protect.\n";
+    }
+
+  } else {
+    if (_track_memory_usage) {
+      get_global_ptr()->ns_remove_void_pointer(ptr);
+      ptr = MemoryHook::heap_realloc_array(ptr, size);
+      /*
+      if (express_cat.is_spam()) {
+        express_cat.spam()
+          << "Reallocating array pointer " << (void *)ptr
+          << " to size " << size << ".\n";
+      }
+      */
+
+      get_global_ptr()->ns_record_void_pointer(ptr, size);
+
+    } else {
+      ptr = MemoryHook::heap_realloc_array(ptr, size);
+    }
+  }
+
+  return ptr;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: MemoryUsage::heap_free_array
+//       Access: Public, Virtual
+//  Description: Releases a block of memory previously allocated via
+//               heap_alloc_array.
+////////////////////////////////////////////////////////////////////
+void MemoryUsage::
+heap_free_array(void *ptr) {
+  if (_recursion_protect) {
+    if (express_cat.is_spam()) {
+      express_cat.spam()
+        << "Deleting pointer " << (void *)ptr
+        << " during recursion protect.\n";
+    }
+    MemoryHook::heap_free_array(ptr);
+
+  } else {
+    if (_track_memory_usage) {
+      /*
+      if (express_cat.is_spam()) {
+        express_cat.spam()
+          << "Removing pointer " << (void *)ptr << "\n";
+      }
+      */
+      ns_remove_void_pointer(ptr);
+      MemoryHook::heap_free_array(ptr);
+    } else {
+      MemoryHook::heap_free_array(ptr);
+    }
+  }
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: MemoryUsage::mark_pointer
 //       Access: Public, Virtual
diff --git a/panda/src/express/memoryUsage.h b/panda/src/express/memoryUsage.h
index 370004fa90..893b0c8351 100644
--- a/panda/src/express/memoryUsage.h
+++ b/panda/src/express/memoryUsage.h
@@ -50,6 +50,11 @@ public:
 public:
   virtual void *heap_alloc_single(size_t size);
   virtual void heap_free_single(void *ptr);
+
+  virtual void *heap_alloc_array(size_t size);
+  virtual void *heap_realloc_array(void *ptr, size_t size);
+  virtual void heap_free_array(void *ptr);
+
   virtual void mark_pointer(void *ptr, size_t orig_size, ReferenceCount *ref_ptr);
 
 #if (defined(WIN32_VC) || defined(WIN64_VC)) && defined(_DEBUG)