Maybe he wasn't living in Pasadena yet?

@FormerlyKnownAs said:

Sorry Musk fans.

Sorry Gates fans.

Sorry Tyson fans.

Sorry Jones fans.

Sorry Lee fans.

Sorry Shatner fan.

Double Sorry Newhart fans.

But...

Hamill is the person I've enjoyed seeing the most over the years. His appearance put the biggest on my face I ever had upon seeing a guest star.

What took them soooooooooooooooooooooooooooooooooooooooooooooooo long

He's the best guest star they've ever had.