Hank makes the "ultimate house call" on the Royal Pains episode "Medusa." As teased in this promo, he and Evan touch down in Cuba at the behest of Boris.
Added:

Royal Pains Season 2 Episode 4 Quotes

Think about it Hank, you can do the right thing or you can kill a polar bear.

Evan

Evan: Please take the baggage.
Hank: I don't want to take the baggage.