Kim Possible (2002)

S2E24 Sick Day

Kim contracts a severe cold from the Tweebs yet bravely takes on a mission to protect a secret machine. However, when Drakken and Shego manage to swipe the device, Kim's mother insists she stay home to recuperate. As a result, Ron and the Tweebs step in to handle her responsibilities. Ultimately, as the situation unfolds, the cold spreads, leaving everyone involved—both heroes and villains—suffering from the same illness.