Roxie signs up for Pet Pals, a group that mentors newcomers to Paw-Tucket; she gets assigned a young Pal, and looks forward to being the pup's big sister, making sure she sticks closely to Pet Pals' list of approved activities.
"Ooh, it's Demon Vacuum 3: The Suctioning! Let's skip to the good part."
Spoiler warning! This section contains plot details about an episode.
"Well it started out as... and then it sorta changed into a... at this point I don't really know."
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In Canada, "Big Sis, Lil Pup" premiered on October 27, 2018 on Treehouse TV at 5:32 PM. In Turkey, the episode premiered on November 24, 2018 on Minika GO at 17:41. In the United States, the episode was released on iTunes and Google Play thirteen days before it was scheduled to premiere on December 1, 2018 on Discovery Family at 12:00 PM EDT.