Victory in Saturday's second Test against the Wallabies in Wellington will see New Zealand defend the silverware for a 10th successive series since regaining it in 2003.
They have lost just five of the 29 Tests in that time nu skin product.
Even if Australia win - for the first time away to the All Blacks since 2001 - they'll still have to repeat the dose in the third Test in Dunedin in October for the Cup to change hands.
Twin losses seems unlikely for the All Blacks given the dominant nature of the 47-29 first Test win at Sydney last week.
Win either of them and the All Blacks will climb to within sight of their record 11 successful defences, set from 1952 to 1978 when the Bledisloe Cup was contested less frequently nuskin group.
Veteran flanker McCaw batted away suggestions that interest in the trans-Tasman rivalry is starting to wane given the frequency of the contest and its one-sided nature.
"I just know, speaking to guys who have played for it both here and for the Wallabies over the years, it means a hell of a lot to them," he said.
"You let your guard down for one second, it'll swing round straight away.
"It's one of the big Test matches that you want to get right. I just want to make sure we keep our hands on it for as long as possible nu skin hong kong."
Several senior All Blacks this week have insisted the Bledisloe Cup's 81-year history was often discussed and winning it is a priority every year.
Wallabies coach Ewen McKenzie has given his starting team a chance to make amends for the Sydney loss, making just one injury enforced change on the blindside flank where Scott Fardy replaces Hugh McMeniman.
McCaw is expecting a sterner challenge from the stung visitors but is also demanding better from his own side.
"Yep, the scoreboard looked okay but there are things we weren't happy with so we made sure we didn't gloss over them," he said.
"(The Wallabies) will hoe into things. I know from experience that a week's a long time and they can be a totally different team."
McCaw was satisfied with his own return to Test rugby at Sydney after nearly nine months absence.
The workaholic No.7 said his body was sore until Wednesday but he would be better for the hitout.
"I was a little bit inaccurate for a start but overall I was happy enough IP camera manufacturer," he said.
"I do realise it was by no means perfect. This week I have to make sure that I get my performance another step up."