Halt and Catch Fire‘s fifth-to-last episode celebrates Haley’s 14th birthday — and reveals something previously unknown about Gordon and Donna’s youngest daughter.
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To mark the occasion, Gordon ditches work, and takes Haley out to launch remote-control rockets at Cameron’s Airstream. Katie and Joe also tag along, but Haley doesn’t invite any friends from school. During the outing, she helps design Gordon’s rocket, painting on it a unique illustration that becomes important at the end of the episode.