The Einstein Factor - Season 4 (2007)

The winners of the three previous heats compete for a place in the series final.

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The three previous heat winners compete for a place in the series final.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

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The three previous heat winners compete for a place in the series final.

The three previous playoff winners compete for a place in the Grand Final.

Three regular Brains Trustees find out what it's like to be a contestant, while their place on the Brains Trust is taken by the grand champions of the three previous seasons.

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The three previous heat winners compete for a place in the series final.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

The three previous heat winners compete for a place in the series final.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

The three previous heat winners compete for a place in the series final.

The three previous playoff winners compete for a place in the Grand Final.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

The show celebrates 150 episodes by bringing back the three contestants from the first episode.

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The three previous heat winners compete for a place in the series final.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

The three previous heat winners compete for a place in the series final.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

Know what this is about? Be the first one to add a plot.

The three previous heat winners compete for a place in the series final.

The three previous playoff winners compete for a place in the grand final.

The three series final winners compete for the Einstein Factor trophy.