Question: are derek and penelope dating on criminal minds

Answer: No, Morgan is shown over the series being flirtatious towards the team's technical analyst Penelope Garcia (Kirsten Vangsness). However, the relationship is platonic. He is shown to be confident and assertive, along with being very protective towards Spencer Reid (Matthew Gray Gubler), whom he helps to pick up girls. He is the muscle of the team, and usually storms in when a suspect requires apprehending physically.