In Sickness and in Health - Season 4 Episode 7 -

The sight-seeing continues with Alf having a confrontation with a crocodile and some Aboriginals,who nonetheless get the better of him after he tries to patronise them. Back at Ricky's Alf gets a business proposition from Ricky and his partner Mooney but it is apparent that they have misunderstood Alf's financial position and soon the three Brits are on the plane back home.