"Time Crash" (Davison/Tennant) on DVD in Region 1?

[FalTorPan]

Is "Time Crash," the for-charity vignette featuring Peter Davison and David Tennant, available on DVD in Region 1?

 

[AdmiralGarak]

On the season 4 box set, as a bonus feature of disc one (Voyage of the Damned).

 

[FalTorPan]

Thanks!