The bounty hunter droid IG-11 made its final appearance on The Mandalorian in the episode titled “Chapter 8: Redemption”. IG-11 had rescued The Child, then elected to sacrifice himself by walking into an ambush of Imperial forces and activating his self-destruct, which would allow The Mandalorian and The Child to escape to safety.
For any fan of the masculine-programmed Class 4 IG-series assassin droid known as Eyegee-Eleven, this IG-11 Initiate Self Destruct The Mandalorian Star Wars T-Shirt is a must have!