Crossword puzzle clue "seasoned and then some or carmaker 'til 2004"

Seasoned, and then some (or ... carmaker 'til 2004)

Hybrid car that runs a few seconds, then stops, then runs again, then stops again...?

Joss Whedon show 'til 2004

From then 'til now

Outfielder whose #30 was retired by the Expos in 2004 and then unretired by the Nationals: 2 wds.

Do this, then that, then this again

Place whose population was 1, then 2, then 0

Back then, back then