Upon seeing Eliav, Shmuel believes he is the future king, but Hashem rejects Eliav

Shmuel is concerned that Shaul will find out and kill him so Hashem tells him to take along a korban

Hashem tells Shmuel to stop mourning over Shaul and instead go anoint one of Yishai's sons as the new king

After Agag is executed, Shmuel and Shaul go their separate ways.

Shaul begs Shmuel to return with him to the people; Shmuel orders Agag brought before him

Shmuel interprets the tearing of the garment as a sign that Shaul's malchus would be torn from him and given to someone more deserving.

We find that Shaul was guilty of one sin that cost him the monarchy whereas Dovid was guilty of two sins and was not punished similarly.

Shaul finally admits his guilt and begs Shmuel to accompany him, but Shmuel refuses

Shaul doubles down on his defense; Shmuel declares Hashem's rejection of Shaul

In honor of Shiur #100, our Rav gives a special shiur on why Amalek was singled out for destruction from amongst our other enemies and why Shaul was mistaken