Auggie and Sylvie throw an intimate New Year’s Eve party where he makes a surprise announcement.
An unwanted guest crashes Mike's family dinner and Patsy reaches a boiling point. Mike's attempt to corner Moss at Gil's boat takes an unexpected turn.
Moss bails out Mike in an effort to retrieve the treasure from the truck — once and for all. After picking up on a new clue, Mike seeks a fresh start.
Chasing a herd of caribou stirs up David's appetite. At lunch, David's grandpa tells a story about respect, responsibility, and sharing.
Jane, David, and Greybeard try to sniff out why the gharial has a bulbed snout. A day at the pool points Jane toward an answer.
The three friends travel deep into the ocean to figure out why the blue whale sings, and Jane confronts a litterbug with a gifted voice.
A bug-sized Jane and Greybeard follow a monarch butterfly's journey to Mexico, leading Jane to seek assistance from Mr. Patel's green thumb.
The trio take off on a mission to aid the flying fox when Greybeard accidentally parachutes into a neighbor's yard.
Jane and David stay up past their bedtime to track a tiger that prefers to come out at night, and they stumble upon something in the garden shed.
Jane, David, and Greybeard monitor a black rhino and a red-billed oxpecker, whose relationship teaches them the value of teamwork.
Iris receives a tempting offer. A fed-up Moss seeks answers. With Mike's words weighing on her, Patsy attempts to pull a risky move at the hospital.
After a familiar face brings news of a treasure hidden in Florida, Mike changes course and a key connection steers him closer to what he believes is his.
Mike's plans to retrieve the truck hit a snag when Sonny gets involved. In Philly, Iris attends a memorial service and gets intel on Mike's whereabouts.
After Moss sends an associate to tail Mike, Mike faces two options: Skip town or continue his own pursuit. A confrontation at the sinkhole heats up.
Ex-cop Mike seizes an opportunity to pay off his gambling debts and heads to Florida, where he reunites with his dad and makes a startling discovery.
While trying to tag a great white shark, Jane urges David's dad and Tata to rethink how they shop for groceries.
David shrinks Jane and Greybeard to honeybee size to explore a hive. But when a schoolmate threatens the bees, Jane swoops in.
Jane, David, and Greybeard track a polar bear in the Arctic Circle, inspiring Jane to convince her neighbor Mr. Jin to see trash differently.