A Dog's Journey: Picking up where A Dog's Purpose left off, Ethan's (Dennis Quaid) beloved dog Bailey (voiced again by Josh Gad) finds a new destiny: Protect Ethan's granddaughter CJ (Kathryn Prescott) at any cost. Bailey's adventure through multiple lives is filled with love, friendship and devotion as he and CJ experience joy and heartbreak, music and laughter, and a few really good belly rubs. A Dog's Purpose: Based on the beloved bestselling novel by W. Bruce Cameron, A Dog's Purpose, from director Lasse Hallstr\xc3\xb6m (The Cider House Rules, Dear John, The Hundred-Foot Journey), shares the soulful and surprising story of one devoted dog (voiced by Josh Gad) who finds the meaning of his own existence through the lives of the humans he teaches to laugh and love. Disc 1 - A Dog's Journey: