T.I., 31, will appear in a series of flashbacks as a member of a crime syndicate investigated by a Jersey-based Danno (Scott Caan) and his partner in 2001, TVLine reports. The fallout from the case had a huge impact on Danno's life.
T.I. is also currently appearing on Starz' Boss in a recurring role.
Hawaii Five-0's third season premieres on Monday, Sept. 24 at 10/9c.