Platypus Day

Platypus Day (also known as National Platypus Day) is a Phineas and Ferb promotion by Disney Channel US and Disney XD in an attempt to "create a new holiday to celebrate one of our most valuable semi-aquatic undercover agents," as Major Monogram describes it. The event will be Saturday, March 5, 2011.

Continuity

 * A clip of Major Monogram and Carl singing Gitchee Gitchee Goo is shown on the event website.