MITS Altair 680 in Malcolm in the Middle - Season 4, Episode 15, "Garage Sale" (2003)
Malcolm discovers the Altair in the garage and holds it back after Reese tells him to dump it, planning to sell it publicly for $1300 and so embarrass Reese.
The circuit board in the machine doesn't look quite right to me.
It's deffo not the proper board.
I can tell their is soting wrong wth that thin, the casing was ripped off!