When did The Block Season 4 Episode 1 air?
The Block Season 4 Episode 1 aired on June 20, 2011.

The show returns with Melbourne as its location. Eight couples turn up to compete in a fierce elimination challenge. Hosted by Scott Cam.
Direct answers for episode-level questions and details.
The Block Season 4 Episode 1 aired on June 20, 2011.
This episode runs for approximately 43 minutes.
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