A quick-timed free-for-all puts us smack dab in the middle of the Nintendogs stage.
http://www.nintendoworldreport.com/video/37740/super-smash-bros-3ds-battle-gameplay-off-screen-with-audio
This quick E3 gameplay video of the 3DS version of Smash Bros. showcases fast-paced gameplay and cute adorable puppies.