Sarah Buehler

Leonard tries to mould Penny into his dream woman and rewards her with chocolate when she does things he approves of in the hope that she will keep doing them.

Caroline isn't best pleased when Max takes her shopping in a charity shop of all places, and a fight breaks out over a Strokes T-shirt.

Luke Alvez joins the BAU team, aiding in the capture of a serial killer who escaped from prison after a man is found in Tempe, Arizona, with deep cuts on his abdomen.

Feeling nostalgic, Frankie tries to re-create the magic of her own childhood summers, but is foiled when Mike accidentally reveals who his favourite child is.

When a man calls Lilly to confess to the murder and burial of his grandmother 14 years ago, Rush and the team investigate the caller's identity.

Axl finds summer school stressful, Mike accidentally reveals who his favourite child is, and Brick grows a tomato.