It's sixteen years since Peterborough last had the opportunity to face the millionaires of Chelsea. And there'll be similarities this Sunday. Chelsea, packed with international big money stars, are overwhelming favourites as they were in 2001.
Fans who missed out on a trip to Stamford Bridge back then had the consolation of watching the tie on a big screen. The same is available for supporters this time around, although more than six thousand who managed to get tickets will be in West London on Sunday.
Director of Football Barry Fry's mobile phone caused a bit of a stir while we were interviewing him.
Also hoping to claim a big scalp are MK Dons against Chris Hughton's Brighton, the Championship leaders.
Luton's hopes of a big money-spinning tie rest on getting a place in Round Four over Accrington.
And while the pressure's on for Ipswich against non league Lincoln, it's the reverse for Norwich against Premier League Southampton.
Cambridge play former winners Leeds United on Monday.