The Busker playing plastic pipe percussion instruments with thongs previously appeared as the guitarist in "Markets" and makes a cameo as an ice cream patron in "The Quiet Game." They are voiced by and have their appearance modelled on series composer Joff Bush.
The Greyhound nurse from Bumpy and the Wise Old Wolfhound is right behind Dad (Bandit) while he's in line at the post office.
Debut of the yes-no button.
This marks the first time in the series that a Heeler family member aside from Bandit (Dad) embarrasses themselves in front of Judo's Mom (Wendy). In this case, Chilli (Mum) has a "Morning Wendy" moment.
Closing title animation: dancing Bluey.