Dewey continues to wander around lost while Malcolm and his family are stuck in an all-day traffic jam.
Ancient beliefs, contemporary ignorance and futuristic medicine clash when a plague threatens the station.
After Sergeant Parker is abducted, the team races to find him and uncovers a secret he's kept hidden for 10 years.
Al forms a church with his beer-drinking buddies as a means to avoid paying taxes.
Donna and Caroline work with Heal the Bay after a recent rainstorm washes inland pollutants into the waters off Santa Monica. Mitch falls ill after he unknowing swims over sunken drums of toxic chemicals.