Smack dab in the middle of the grad ceremony for Branch and his peers, who decided to make an unexpected appearance? None other than Charlie.
"Nobody had any clue at all that he would be there," Branch said. "He came inside the gate and just surprised all of us."
But the pup walking in wasn't the only surprise. After lingering for a few moments, with the students trying their best to keep it together despite the distraction, Charlie stepped forward to really steal the show — relieving himself on a decorative fern.
And with that, as video of the scene shows, everybody lost it: