Supercross

We detected your home network, preparing playback...

This video is rated PG-13.

The following program is intended for mature audiences only.

Manage Parental Controls »

This video is intended for mature audiences only.

Please sign in or register to watch this video.

• Register »
• Sign In

This video is intended for mature audiences only.

This video cannot be played.

This video is currently not available for Android devices.

Oops, it looks like you started another video.

Please refresh this page in your browser to continue where you left off.

Refresh

This video cannot be played.

Sorry, this video is currently unavailable. (Error )

Please check back soon.

Learn More

HBO cannot be played.

Sorry, HBO is currently unavailable. (Error )

Please check back soon.

Learn More

This event is not available for viewing in your area

Sorry, this video is currently unavailable. (Error )

Please check back soon.

Learn More

Sorry, Your Device Has Been De-activated By Another User

In order to watch video on this device, you must remove a currently registered device. After a device has been removed, please refresh this page in your browser.

Manage My Devices

Please close this browser window to complete the Flash Player installation.

If you are experiencing problems with installation please visit the Adobe Flash Player Support Center.

Uh-Oh...You need Flash!!

We have detected that your computer needs the Adobe Flash Player to properly view Xfinity TV.

The minimum required version for this video is:

Downloading the latest version of this software will allow you to experience the full version of the site as it was designed with simpler, stress-free navigation, more customization options, and tons of new content.

Uh-Oh...You need to update Flash!!

We have detected that your computer needs an updated version of Adobe Flash Player to properly view Xfinity TV.

Your current version is: .

Upgrading to the latest version of this software will allow you to experience the full version of the site as it was designed with simpler, stress-free navigation, more customization options, and tons of new content.

Uh-Oh...You need to update Flash and Mac OS!!

We have detected that your computer needs an updated version of Adobe Flash Player to properly view Xfinity TV.

However, you also appear to be running an older version of Mac OS which is not currently supported by newer versions of Adobe Flash, starting with Flash 11.1. You may actually need to upgrade your Mac Operating System before you can update Adobe Flash.

System Requirements for Flash 11.1

HOW TO INSTALL CURRENT VERSION OF FLASH

This video cannot be played.

This video is currently not available for Google TV.

Sorry, we've experienced some difficulty playing your video.

Please refresh this page in your browser to continue where you left off.

Refresh

You have reached the maximum of 3 registered devices.

In order to watch video on this device, you must remove a currently registered device. After a device has been removed, please refresh this page in your browser to continue where you left off.

Manage My Devices

You have reached the maximum of 3 allowed video streams for your household.

You must stop playing one of your current streams to play another. Please visit our Help Section.

Manage My Devices

Your account has been deactivated.

Sorry, your account has been deactivated. Please call 1.888.565.4329 for assistance.

This video is rated PG-13.

The following program is intended for mature audiences only.

Manage Parental Controls »

Your session has timed out.

Sign Back In

Your session has expired.

Please refresh this page in your browser to continue where you left off.

Refresh

This video cannot be played.

We've experienced a playback error. (Error )

Please try deleting your cookies and browser cache and refresh this page.

Still having problems? Try our forums.

More Help

This video cannot be played.

We have detected a problem with your Microsoft Silverlight installation (Error ). To fix this problem please uninstall and reinstall Microsoft Silverlight.

For instructions on how to fix your problem click below.

HELP

This video cannot be played.

We notice you do not have DRM support enabled for Microsoft Silverlight (Error ). To fix this problem please enable DRM support in your Microsoft Silverlight preferences console.

For instructions on how to fix your problem click below.

HELP

This video cannot be played.

We notice you do not have DRM support enabled for Microsoft Silverlight (Error ).

For instructions on how to fix your problem click below.

HELP

Sorry, this video is unavailable.

It's probably a network issue, so try refreshing the page. If that doesn't work, you may have to come back a little later.

It's also possible that this video has expired. Sometimes, videos are only available to us for a limited time.

Comcast Services Required

Subscribe to Comcast Services and get anytime, anywhere access to

Supercross online.

Already a Comcast Customer?

Sign In

HBO Subscription Required

Subscribe to HBO and get anytime, anywhere access to

Supercross online.

Already a Comcast Customer?

Sign In

Comcast Services Required

Subscribe to Comcast Services and get anytime, anywhere access to

Supercross online.

Buy This Subscription Now

HBO Subscription Required

Subscribe to HBO and get anytime, anywhere access to

Supercross online.

Buy This Subscription Now

Looks like everything checked out perfectly.

You are now subscribed to HBO.

Get back to your show.

PLAY

This program is only available to XFINITY customers with a subscription to . Want to subscribe to HBO now for ?

SUBSCRIBE TO WATCH INSTANTLY

Subscriptions may take up to 24 hours to become active.

Thank you. HBO will be available on your TV and online shortly.

You are now subscribed to HBO.

Find something to watch

Subscriptions may take up to 24 hours to process.

Sorry, we've experienced some difficulty playing your video.

Please refresh this page in your browser to try again.

(Error )

Refresh

Sorry, playback is unavailable.

Xfinity TV videos can only be viewed from within the US. If you believe you are seeing this message in error, please connect to a different network and try refreshing your browser

This video cannot be played.

This content on Xfinity TV is not available for viewing with your current Chrome configuration. To play this video using Chrome please follow these steps outlined in the Help link below.

HELP

This video cannot be played.

This content on Xfinity TV is not available for viewing with Chrome's "Incognito" mode. To play this video using Chrome, please view this page without "Incognito" mode.

Still having problems? Try resetting your Flash player license.

This video cannot be played

This content on Xfinity TV is not available for viewing with your Internet Explorer's "InPrivate" mode. To view this video using Internet Explorer please follow these steps outlined in the HELP link below.

HELP

Still having problems? Try resetting your Flash player license.

This video cannot be played.

This content on Xfinity TV is not available for viewing with your current Flash Player license configuration. To reset your license please follow these steps outlined in the HELP link below.

HELP

Xfinity Video Player Upgrade

Upgrade your Xfinity Player!

In order to watch On Demand Online videos with "HD-Like" picture quality, you need to install the new Xfinity Player

We're sorry, but for watching On Demand Online videos the following browsers are NOT officially supported at this time:

• Windows XP: Safari 3/4
• Windows Vista: IE 6, Safari 3/4
• Windows 7: IE 6/7, Safari 3/4
• Mac OS 10.4.11+: IE 6/7/8, Chrome 4

Xfinity Video Player Upgrade

Installing your Xfinity Player!

Please wait a moment while the video player plugin installs. When it finishes, this page will refresh automatically and playback will start.

You're almost ready to watch

Please install the Microsoft Silverlight plug-in to begin watching this video.

INSTALL NOW

You're almost ready to watch Supercross

Please upgrade your Microsoft Silverlight plug-in to begin watching this video.

UPGRADE NOW

You're almost ready to watch Supercross

After installing the Silverlight plug-in upgrade, please RESTART your browser to begin watching this video.

This video cannot be played.

Sorry, this video is currently unavailable.

(Error )

We recommend installing Silverlight version 5.1.10516 plug-in

to improve your playback experience.

This video cannot be played.

We've experienced a playback error. (Error )

There could be a problem with your computers graphics card.

Please click on the link below for more help.

More Help

This video cannot be played.

We've experienced a playback error. (Error )

It appears that you may have attempted to connect secondary video display after starting playback.

Please ensure that all secondary displays are attached before playback begins.

Refresh

This video cannot be played.

We've experienced a playback error. (Error )

The video output device you are using may not be supported.

Please disconnect any attached monitors or TV sets and try again.

Refresh

This video cannot be played.

We've experienced a playback error. (Error )

Please try deleting your cookies and browser cache and refresh this page.

Still having problems? Try our forums.

More Help

Unsupported Configuration

Some content on XFINITYTV.com is not available for viewing with your current configuration. To view this video using Internet Explorer 10 and Windows 8 please follow these steps.

• If you are viewing this site in Windows 8 Modern Mode, please re-open the page in Desktop Mode where Flash is supported.
• If you are already in Desktop Mode, then you may need to download and install the latest Adobe Flash plug-in.

TELL ME HOW TO INSTALL CURRENT VERSION OF FLASH

Unsupported Configuration

Some content on XFINITYTV.com is not available for viewing with your current configuration. To view this video using Internet Explorer 10 and Windows 8 please:

• If you are viewing this site in Windows 8 Modern Mode, please re-open the page in Desktop Mode where Silverlight can be installed.
• If you are already in Desktop Mode, then you may need to download and install the latest Silverlight plug-in.

Please note: Silverlight cannot be installed in Modern Mode. You must switch to Desktop Mode first.

INSTALL NOW

Xfinity Video Player Upgrade

Installing your Xfinity Player!

Please Note. Silverlight cannot be installed in Windows 8 Modern Mode. Please switch to Desktop Mode now if you are in Modern Mode.

If you are already in Desktop Mode, please wait a moment while the video player plugin installs. When it finishes, this page will refresh automatically and playback will start.