Season 5

Grub Smith and Ashley Hames investigate the fetish for dressing up and role-playing in people's sexual fantasies.

Grub Smith meets a man who is employed to be stamped on, while Ashley Hames has a mud-wrestling encounter with the Pink Ladies.

Ashley Hames explores a Prague museum dedicated to sex, while Grub Smith investigates why Japanese men are excited by ladies' underwear.

Ashley Hames has a drink at Prague's Cafe Porno, while Grub Smith explores the world of underwater porn.

Grub Smith prepares to attend a Roman orgy, while Ashley Hames goes to a Montreal swingers' party.

Grub Smith interviews a man who claims to have slept with more than 3,000 women, while Ashley Hames meets a tantric sex guru.

Grub Smith meets a tiny porn star, and Ashley Hames puts on a nappy in Johannesburg.