1. First set of channels. Scroll bar below allows the user to view more.
2. Second set of channels. Hovering over a channel reveals it's name and an "explore" button to jump to it.
Hulu's new 3-up carousel is being utilized in the site's channels sections to offer a promotional space that takes up less screen height than their 1 up carousel, allowing the display of 3 promo items. This is very similar to the horizontal scrolling Cover Flow module in use on Apple.com interior pages.