Transformers Prime: Season 2, Episode 20

2 - 20: Legacy

Optimus Prime gives Jack the task of helping Smokescreen learn about human society and adapt to living on Earth. The Decepticons detect another Iacon relic, the legendaryStar Saber, and Megatron sends out a set of decoy coordinates to distract the Autobots, so he can claim the Star Saber for himself.