Best Friends

Summary

Rhonda and Nadine fall out over working on a project at school, leaving Arnold to work with both of them separately.

Guest stars

• Olivia Hack as Rhonda Wellington Lloyd (voice)
• Christopher Walberg as Stinky Peterson (voice)
• Ben Diskin as Eugene Horowitz (voice)
• Lauren Robinson as Nadine (voice)
• Jordan Warkol as Chocolate Boy (voice)
• Dan Butler as Mr. Simmons (voice; uncredited)