| I need better clips.
This gallery needs more pictures. Please add more HD/HQ screenshots.
Once there is a sufficent number of pictures on the gallery, this can be removed.
Platypus Day (also known as National Platypus Day) is a Phineas and Ferb promotion and accompanying marathon usually held in the First Saturday of March 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 agent," as Major Monogram describes it.
The inaugural event was on Saturday, March 5, 2011, the second was held on Saturday, March 3, 2012, the third was on Saturday, March 2, 2013, and the fourth will be held on Saturday, March 1, 2014.
To return to the "Platypus Day" episode summary, click here.