Simon Schama's Power of Art (2006)

S1E8 Not Without My Cereal

Kick is tasked with keeping an eye on his sister, Brianna, as they wait in line at the grocery store to snag his favorite cereal. However, chaos ensues when Brianna dashes off with a box of cereal, leaving Kick scrambling to retrieve her without their mother noticing. To make matters worse, a store employee is closely monitoring Kick, eager to catch him slipping up.