‘Buffy the Vampire Slayer’ 20th Anniversary: The 20 Best Tributes

"Mystery Science Theater 3000"
Aired: 1988-1999

This quirky comedy series followed a man and his two robot sidekicks as they riffed on an endless supply of terrible B-movies. Series creator Joel Hodgson recently held a successful Kickstarter campaign to create a new 14-episode season.

Also Read: ‘Mystery Science Theater 3000’ Reboot Smashes Crowdfunding Record

"Veronica Mars"
Aired: 2004-2007

Kristen Bell played a street-smart young crime solver who assisted her father at his private detective agency. The series was revived for a one-off movie in 2014 after a Kickstarter campaign.

"Pushing Daisies"
Aired: 2007-2009

Bryan Fuller created this colorful comedy series starring Lee Pace as a pie maker with the ability to bring people back from the dead.

"Trailer Park Boys"
Aired: 2001-2007, 2014-present

Three friends who loved to curse, drink, and smoke dope tried to get by as petty criminals in a Nova Scotia trailer park. Netflix revived the show in 2014 and has aired three new seasons to date, with more to come.

Also Read: ‘Trailer Park Boys’ ‘Bubbles’ Actor Michael Smith Off the Hook in Domestic Battery Case

"Parks & Recreation"
Aired: 2009-2015

Amy Poehler led this smart mockumentary show about the bizarre inhabitants of the local government of Pawnee, Indiana.

Also Read: Amy Poehler, Hillary Clinton Discuss What Kind of President Leslie Knope Would Be

"30 Rock"
Aired: 2006-2013

Tina Fey and company won 16 Emmys for this comedy about the staff and stars of an "SNL"-style variety show on NBC.

Also Read: ‘Kimmy Schmidt’ EP Defends Native American Jokes: ‘Intention Is Not to Offend’

"Twin Peaks"
Aired: 1990-1991

David Lynch's unorthodox murder mystery series only lasted for two seasons, but fans have been rabid about a new season ever since. Showtime answered their prayers and will debut the new show in "the second quarter of 2017."

Also Read: ‘Twin Peaks’ Gets Closest Thing to Premiere Date Yet at Showtime

"Star Trek: The Original Series"
Aired: 1966-1969

Perhaps the cult show to end all cult shows, this iconic sci-fi series only aired for three seasons but spawned five TV spinoffs and 13 feature films to date.

Also Read: Does ‘Star Trek’ First Teaser Contain Easter Eggs?

"Doctor Who"
Aired: 1963-1989, 2006-present

Numerous actors have played the titular Doctor in this long-running British series, which has been exported worldwide to incredible success.

Also Read: ‘Doctor Who’ Star Peter Capaldi Drops Spoiler About Clara’s Return

"Arrested Development"
Aired: 2003-2006

Ron Howard executive produced and narrated this critically beloved but low-rated comedy series. Netflix brought it back for a fourth season, with plans for a fifth and possibly a film.

Also Read: ‘Arrested Development’ Almost Went to Showtime, Network Chief David Nevins Reveals

"Community"
Aired: 2009-2015

Joel McHale, Chevy Chase, and Ken Jeong were among the stars of this Dan Harmon series about students at a fictional community college who did everything but learn.

"Freaks and Geeks"
Aired: 1999-2000

Judd Apatow assembled much of the crew that would go on to star in many of his future films -- including Seth Rogen, James Franco and Jason Segel -- in this high school comedy about two disparate groups of friends.

"Buffy the Vampire Slayer"
On the Air: 1997-2003

The world got its first real taste of Joss Whedon in this supernatural drama about a teenage vampire hunter (Sarah Michelle Gellar) who also dealt with high school life and young romance.

Also Read: Joss Whedon Reveals Clues About His New, Non-Marvel Script (Exclusive)

"Futurama"
On the Air: 1999-2003, 2009-2013

"Simpsons" creator Matt Groening led this futuristic sci-fi comedy. It folded after just four seasons, but was revived on Comedy Central for three more almost 10 years later.

"Battlestar Galactica"
On the Air: 2004-2009

Edward James Olmos played the commander of an old but tough starship filled with the last remaining human beings searching for a new home. They are pursued across the galaxy by the evil robotic Cylons.

"Firefly"
Aired: 2002-2003

Joss Whedon pops up again as the creator of this sci-fi series about a ragtag group of outlaws aboard a rundown ship on the edge of the galaxy. The cast reunited for the 2005 movie "Serenity."

"Mr. Show"
Aired: 1995-1998

Bob Odenkirk and David Cross starred in this HBO sketch series. The duo and many of their former co-stars recently reunited for the Netflix show "W/ Bob & David."

Also Read: David Cross ‘Can Pretty Much Guarantee’ More ‘W/Bob and David’

"Kids in the Hall"
Aired: 1988-1994

This Canadian sketch series was known for its strange characters and cross-dressing main cast. The troupe starred in their own film, "Brain Candy," in 1996.

"Monty Python's Flying Circus"
Aired: 1969-1974

This British sketch series found big success on PBS in the United States, and the cast went on to star in four films together.

"Xena: Warrior Princess"
Aired: 1995-2001

Lucy Lawless made being a badass look easy as a female warrior looking to right the wrongs of her past. The series was a spinoff of "Hercules" starring Kevin Sorbo.

Also Read: ‘Xena’ Reboot With ‘Lost’ Writer in the Works at NBC

"Stargate SG-1"
Aired: 1997-2007

Based on the 1994 movie "Stargate," this series ended up running for over 200 episodes and inspired three TV spinoffs.

"H.R. Pufnstuf"
Aired: 1969

Though it only lasted one season, this children's show became infamous for what many believed to be drug references hidden throughout each episode.

"Quantum Leap"
Aired: 1989-1993

Scott Bakula starred in this series about a scientist who finds himself randomly leaping through time, striving to put right what once went wrong.