7/8. 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. [S]
6/8. In the second semi-final, two more of last weeks 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. [S]
5/8. 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. [S]
1/8. 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? [S]