Apprentice (1)

Robin is haunted by dreams of becoming more like the mysterious Slade, while the Titans must track down the mastermind to stop his detonation of a chronoton bomb. Robin catches up to Slade while the others defuse the bomb, but Slade reveals the bomb was a lure - Robin's teammates now have microbombs secretly placed in their bodies, and Slade will detonate the bombs if Robin doesn't switch sides and becomes his assistant. Reluctantly, Robin agrees... (to be continued)