The Amazing World of Gumball (2011)

S5E22 The Stars

After Richard leaves a poor review for Larry’s hairdresser due to a comment about his baldness, he receives a complimentary haircut. This prompts Gumball and Darwin to embark on a reviewing adventure around town, pressuring Larry into giving them free items under the threat of negative reviews. However, their belief that customers are always right doesn’t excuse their unethical behavior.