I happened upon season 4, episode 3 of Numbers (Velocity) which features a MER in one scene. I was impressed that the gung ho engineer in the scene bore a resemblance to one of our favorite rover drivers. The scene starts at 8 minutes.
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I thought "fell into a shallow crater" referred to Spirit's unfortunate run in with Scamander Crater,
however the episode first aired in October 2007, a year and a half before Spirit got stuck...

....Cue the Twilight zone theme.

A pretty good (at least from a distance) drive-able MER model is also featured in a commercial for, I believe, General Electric. It's wandering through an airport and then rolls right up to the maw of a big jet engine. I expected the engine to start and the little MER to fly up into it from the wind into the air intake...

-the other Doug