When did The Block Season 15 Episode 21 air?
The Block Season 15 Episode 21 aired on September 8, 2019.

A pregnant Sara and Hayden drop into the block. $20,000 is up for grabs in what is possibly the most controversial judgement the program has ever seen.
Direct answers for episode-level questions and details.
The Block Season 15 Episode 21 aired on September 8, 2019.
This episode runs for approximately 65 minutes.
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