The team arrive in Zambia and prepare for Day 1 | Red Nose Day 2013
Greg James and five fellow celebrities touch down in Zambia for the BT Red Nose Challenge, arriving at base camp on Sakom Island ahead of tomorrow's gruelling 110km whitewater canoe expedition down the crocodile-infested Zambezi River. Dara Ó Briain confesses his considerable nightmares about wildlife as the team receives a sobering briefing on the dangers awaiting them.