Agimat: Ang Mga Alamat ni Ramon Revilla Sr. Presents Tiagong Akyat, more popularly known as simply Tiagong Akyat was the first installment of the Philippine weekly mini-series Agimat: Ang Mga Alamat ni Ramon Revilla ("Amulet: The Legendary Chronicles of Ramon Revilla") aired by ABS-CBN August 15, 2009 and concluded on November 7, 2009. The character of Tiagong Akyat is portrayed by Gerald Anderson opposite to her Leading Lady Erich Gonzales.

Plot

After many years, Tiago (Gerald Anderson) meets Cornelia (Erich Gonzales) and gets a chance to profess his love for her. Cornelia's suitor Vincent becomes jealous of Tiago. Meanwhile, Cornelia's father Mayor Mariano is against his daughter's relationship with the impoverished Tiago. Cornelia decides to elope with Tiago and they plan to get married. One night, Cornelia tells Tiago that her father wants to meet him. Tiago goes to Mayor Mariano's house where he found him bloody and unconscious. Vincent arrives and tells the guards to arrest Tiago. After killing Mayor Mariano, Vincent frames Tiago for the murder. The court finds Tiago guilty and sentences him to life imprisonment. In jail, Tiago befriends Big Max, Nardo, and Pablo. After learning that Cornelia had married Vincent, Tiago makes several attempts to escape but miserably fails. Years pass and Tiago discovers that the urban legend about the amulet called Pangil ng Kidlat is true when he meets Castro, the owner of the amulet.