"Head Case" is the thirty-fifth regular episode of Buzz Lightyear of Star Command.
XR is injured while repelling a Vulturan attack. The rest of the team mistake his metal fatigue as mental fatigue and urge him to undergo psych evaluation and while on vacation he is kidnapped and replaced by XL. This is all part of XL's plan to infiltrate and destroy Star Command.
- Patrick Warburton as Buzz Lightyear, LGMs
- Nicole Sullivan as Mira Nova
- Adam Carolla as Commander Nebula
- Stephen Furst as Booster
- Larry Miller as XR
- Bobcat Goldthwait as XL
- Tony Jay as Dr. Animus
- Phil LaMarr as Rocket Crockett
- Paul Rugg as Ed the Courier