The 26th annual IWK Telethon for Children is taking place Saturday and Sunday on CTV. Businesses that are large and small, schools, community groups and individuals raise money all year long for the telethon that is broadcast across the Maritimes. In Halifax, there will be local entertainment at the IWK on both Saturday and Sunday. The telethon starts at 7 p.m. and runs live through to 6:15 p.m. the next day.