Word has it that the new DVD release of the short-lived
live-action Tick series includes the never aired episode
"The Terror", which has Peter Bergman in a small role:
http://www.amazon.com/exec/obidos/ASIN/B0000AUHQE
(All four members of Firesign Theatre did voice roles
on the animated series of The Tick)

Saturdays at noon Pacific time (3PM Eastern), David Ossman
and his wife Judith Walcutt host "Live From The Islands",
a live, two-hour show on KSER radio in Everett, Washington;
now with its own web site at
http://www.livefromtheislands.com
Rumor has it George Tirebiter will make regular appearances.

Listen on the web at http://www.heraldnet.com/stream/kser.asx
or run Windows Media Player and Open URL mms://12.104.73.50/kser