test.swift

override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCellWithIdentifier("PopularShowCell", forIndexPath: indexPath) as! PopularShowTableViewCell
        
        // Configure the cell...
        configureCell(cell, indexPath: indexPath)

        return cell
    }

func configureCell(cell: PopularShowTableViewCell, indexPath: NSIndexPath) {
        if segmentedControl.selectedSegmentIndex == 0 {
            let show = popularShowsResultsController.objectAtIndexPath(indexPath) as! TVPopularShow
            cell.titleLabel?.text = show.title
            cell.delegate = self
            
            let traktID = show.idTrakt
            let showAlreadySaved = showIDs.indexOf(traktID.integerValue) != nil
            let showDownloading = showsDownloading.indexOf(traktID.integerValue) != nil
            let isWatching = showAlreadySaved || showDownloading
            cell.isWatching = isWatching
            
            // Accessibility
            cell.accessibilityLabel = "\(show.title)"
            cell.accessibilityValue = isWatching ? NSLocalizedString("ACCESSIBILITY_VALUE_TRACKING", comment: "Tracking") : NSLocalizedString("ACCESSIBILITY_VALUE_NOT_TRACKING", comment: "Not tracking")
            cell.accessibilityHint = NSLocalizedString("ACCESSIBILITY_HINT_SHOW_INFORMATION", comment: "Double tap to view show information")
            
            // Image
            ImageManager.sharedManager.getImageForShow(show, completionHandler: { (image) -> Void in
                if self.popularIndexPathsForFadedInImages.indexOf(indexPath) == nil {
                    self.popularIndexPathsForFadedInImages.append(indexPath)
                    
                    if let fetchCell = self.tableView.cellForRowAtIndexPath(indexPath) as? PopularShowTableViewCell {
                        func fadeInImage() {
                            // Fade in image
                            fetchCell.backgroundImageView!.alpha = 0.0
                            fetchCell.backgroundImage = image
                            UIView.animateWithDuration(showImageAnimationSpeed, animations: { () -> Void in
                                fetchCell.backgroundImageView!.alpha = 1.0
                            })
                        }
                        
                        if #available(iOS 9.0, *) {
                            if NSProcessInfo.processInfo().lowPowerModeEnabled {
                                fetchCell.backgroundImage = image
                            }
                            else {
                                fadeInImage()
                            }
                        }
                        else {
                            fadeInImage()
                        }
                    }
                    else {
                        // THIS IS THE ISSUE.
                        // indexPathForCell will return nill, cellForRowAtIndexPath is nil, and if I set the image
                        // on the cell directly (look at the else statement directly below)
                        // it will make the wrong cells load the wrong images when scrolling fast and all
                        print("Cant find cell at index path: \(indexPath)")
                        print(self.tableView.numberOfRowsInSection(0))
                        print(NSThread.currentThread())
                    }
                }
                else {
                    // Set image
                    cell.backgroundImage = image
                }
            })
        }
        }