The Stinky & Dirty Show (2016)

S2E10 10. Love Notes/Love Is In The Air

Stinky and Dirty are eager to surprise Sender with a singing valentine, but they face a challenge: they need to locate him first! Meanwhile, on Valentine's Day, they lend a hand to Chopper, who’s stuck on the ground. To help him out, they raise his festive banner high so that everyone in Go City can admire it!