Barbados, Grenada and St Lucia (S04E02)

The comedian steps onto a gigantic cruise ship with 6,300 fellow travelers for a five-day adventure across the Caribbean, kicking off in Saint Vincent. While in Barbados, she indulges in a rum punch-fueled outing and takes a shot at surfing. In Grenada, Susan dives into the underwater sculpture park and discovers the island's nutmeg heritage.