In the earlier stages of the pandemic, when many people were still staying as close to home as possible, nearly 1 in 5 American households adopted a pet. Furry cats and snuggly dogs–and some temperamental pigs. Sherrie Clark is a veterinarian who treats and studies pet pigs. She says they make good pets–for the right family. And: Relationships between dogs and humans go back 10,000 years. Nancy Gee says that today relationships between people and pooches improve health outcomes for everyone with two or four legs.

Later in the show: As a kid, Wynne DiGrassie was always bringing lizards and small snakes home in her pockets. After years focused on work as a horse veterinarian, Wynne has fallen back in love with reptiles. She talks about the common mistakes lizard and snake owners make and what it’s like inviting these slithery friends into your home. Plus: Cats rule the internet and they’ve been part of it from the beginning. Dylan Wittkower gets philosophical about why we can’t stop making and sharing cat memes.