Dara O Briain hosts the ultimate test of cross-generational intelligence. In semi-finals week, the six remaining families battle it out to be crowned the winner. Show more

In the second semi-final, two more of last week’s winning families return to the games lab and go head to head in the ultimate test of intelligence in a bid to make it through to the final. Show more

In the last semi-final, the competition reaches fever pitch. The fastest runners-up from the heats go head to head and need to push their brains to the limit in order to reach the final. Show more

In the grand final, the three sharpest families attempt the final super-charged challenges with ultimate levels of difficulty. Show more

In the final heat, the Mohammed family from Watford and the Smith family from Cumbria compete for the last remaining spot in the semi-finals. Show more

The Riley family and the Kerr family prepare to have their intellectual talents tested like never before. Show more

Dara O Briain hosts as the Smith family and the Simmons family go head to head to test their cerebral mettle. Show more

Dara O Briain hosts the ultimate test of collective, cross-generational intelligence. Who will overcome brain freeze and inch closer to The Family Brain Games crown? Show more