Here are some episodes where Drew's frustration with May is notable:
* "A Scare to Remember!" (Episode 152): Drew loses a contest to May and throws a tantrum. This highlights his competitive nature and frustration with her success.
* "A Three-Way Tie!" (Episode 172): Drew is visibly upset after May ties him in the final round of the Hoenn Grand Festival. While not outright anger, it showcases his desire to win and be better than May.
* "The Battle of the Weak!" (Episode 173): Drew's frustration boils over when May challenges him to a Pokémon battle, even though he considers it beneath him. He ultimately accepts, showcasing a hidden respect for her and a desire to prove his superiority.
These episodes demonstrate a pattern of Drew's frustration with May's success and his competitive drive. However, his behavior is rarely characterized as outright anger. Instead, it's more of a simmering resentment fueled by his ambition and desire to win.
While there isn't a single episode where Drew gets "mad" at May in the traditional sense, his competitive spirit and constant desire to outdo her often manifests in frustration and annoyance.