Two of the Today show's biggest stars and co-hosts Karl Stefanovic and Georgie Gardner visit the Block. Norm and Jess get one step closer to building their secret weapon, provided they get one neighbours approval. But will they get it?

Courtney and Hans have a huge decision to make, do they allow Norm and Jess to install a pool and hope it doesn't give them a winning edge at auction or do they risk their friendship and say no.