This summer marks a first return to Australia since the memorable 2013 Tour.
On that occasion, the Lions won the opening Test 23-21 before the Wallabies levelled it up with victory in Melbourne.
That set up a decider in Sydney and in a match still fondly recalled by those who travelled in the Sea of Red and the thousands watching on from home, Warren Gatland's men ran out convincing 41-16 winners.
But how many of the squad can you remember? Take our quiz and find out...