A decade can be a long time for fans of a show that no longer is in production. But at least there's still a way to commemorate it.

Airlock Alpha has released the Class of 2001 -- shows that ended in 2001 and are now eligible for the Rod Serling Award.

The award, named after "The Twilight Zone" creator, is part of Airlock Alpha's Portal Awards, the online fan awards that have attracted more than a million votes since it was founded in 1999. The Rod Serling Award honors the shows that are still prevalent in the minds of fans, even after being off the air for at least a decade. And there are now some new programs to add to the eligibility list, according to Portal Awards coordinator Ed Left.

Among the highlights of the Class of 2001 are "Star Trek: Voyager," "3rd Rock From the Sun" and "Xena: Warrior Princess." "Voyager's" last episode aired May 23, 2001, making room for "Star Trek: Enterprise" to replace it for four seasons on UPN the following fall.

"Xena" put Lucy Lawless on the map. The actress would later make her mark in shows like "Battlestar Galactica" and "Spartacus: Blood and Sand," but she will always be remembered as Xena, which broadcast its finale on June 18, 2001.

Not all the shows that have made the Rod Serling Award eligibility list are memorable, however. Joining the Class are other shows like "Cleopatra 2525" and "The Worst Witch."

The Rod Serling Award debuted during the 2010 Portal Awards. Originally conceived by Left -- who is also a popular Airlock Alpha columnist -- the award can honor any show that has been off the air at least 10 years. The original "Star Trek" and "Doctor Who" series as well as the original "Twilight Zone" were named to the charter class. And Airlock Alpha readers voted in "Star Trek: The Next Generation," which left the air in 1994, to join them last year.

The Class of 2001 joins all genre shows that ended by 2001 that aren't already winners of the Rod Serling Awards. This year's new crop of shows are:

* "3rd Rock from the Sun" -- Ran on NBC from 1996 to 2001
* "All Souls" -- Lasted just six episodes on UPN in 2001
* "Cleopatra 2525" -- Ran two seasons from 2000-01
* "Dead Last" -- Made it just 13 episodes on The WB in 2001
* "First Wave" -- A SciFi Channel original series that debuted in 1998
* "Freakylinks" -- Died at the young age of 13 episodes on Fox
* "I Was a Sixth Grade Alien" -- A family show that aired two seasons on ABC
* "La Femme Nikita" -- USA Network aired this for five seasons, before The CW remade it
* "Level 9" -- Couldn't even survive on UPN, dying after just 13 episodes
* "The Lone Gunmen" -- "The X-Files" spinoff that never really seemed to do anything
* "ReBoot" -- An early CGI-animated series that debuted in 1994, airing on ABC and Cartoon Network
* "Roswell" -- Three seasons, two networks (The WB and UPN), and a legacy
* "Seven Days" -- Pretty cool time-traveling concept that lasted three seasons on UPN
* "So Weird" -- A Disney Channel product that had Henry Winkler as an executive producer
* "Star Trek: Voyager" -- Not always heralded as one of Star Trek's finer series
* "Strange Frequency" -- A life so short, Wikipedia hasn't even heard of it
* "Twice in a Lifetime" -- Remember Pax? This aired 44 episodes on it
* "Wild Kat" -- Australian series that lasted just 13 episodes
* "The Worst Witch" -- The original movie was cool, but ITV could only squeeze three seasons out
* "Xena, Warrior Princess" -- I didn't know Xena could fly? "I told you, I'm not Xena, I'm Lucy Lawless"

Voting for the 2011 Portal Awards begins June 25. Readers will be allowed to vote once per day for 30 days in more than a dozen categories honoring the best of science-fiction television and movies of the year.