The animated train with dog treats inside.

The ad opens with a light purple background and the Wellness Whimzees logo. Text appears, "ALL ABOARD THE". A simple purple line drawing of a train appears, with three dog dental chews in the train car. The chews are green and brown. The text then changes to "CLEAN TEETH TRAIN.". The scene transitions to a close-up of a dog chewing a Whimzees dental treat. The words "CHEW CHEW CHEW" appear in bright yellow text, overlapping the dog. The next scene shows a purple background with the text "NOW ARRIVING...". Two train cars appear, each with a package of Whimzees dental treats. The final scene shows a dog yawning, then smiling. Green text appears above the dog, reading "AT HAPPY, HEALTHY MOUTHS.".