Bill Mumy

The D-Con Chamber

as Self

Space Command Redemption

as Greg Mazzey

Babylon 5: The Road Home

as Lennier (voice)

Toon In with Me

as Self

What We Left Behind: Looking Back at Star Trek: Deep Space Nine

as Self

Lost in Space

as Real Dr. Smith

Lost in Space

as Dr. Zachary Smith

The Loud House

as Timothy Mccole

Bravest Warriors

as Ralph Waldo Pickle Chips

Ben 10: Ultimate Alien

as Agent Bryson (voice)

The Face is Familiar

as Narrator

Holly Hobbie and Friends: Surprise Party

as Bud Morris (voice)

Holly Hobbie and Friends: Christmas Wishes

as Bud Morris / Judge #1 (voice)

A.I. Assault

as Major Keith

Look, Up in the Sky! The Amazing Story of Superman

as Self

Holly Hobbie & Friends

as Bud Morris (voice)

Derailroaded

as Self

Ringers: Lord of the Fans

as Self

Comic Book: The Movie

as Bill Mumy

The Twilight Zone

as Anthony Fremont

What's New, Scooby-Doo?

as Harry Noze (voice)

Larry 'Wild Man' Fischer

as Self

Crossing Jordan

as Paper Shredder Operator

TVography

Buzz Lightyear of Star Command

as Eon (voice)

Behind the Dementia

as himself

Boom! Hollywood's Greatest Disaster Movies

as Self - Host

Attack of the 50 Foot Monster Mania

as Narrator

Lost In Space Forever

as Self (also archive footage)

The Weird Al Show

The Monkey Prince

as Sam (voice)

Underground Adventure

as Sam (voice)

Space Cases

Three Wishes

as Neighbor

The Fantasy Worlds of Irwin Allen

as Self - Host

The Steven Banks Show

as Billy Mumy

A Bewitched Christmas

as Michael (as Billy Mumy)

Space Ghost Coast to Coast

Babylon 5

as Lennier

Diagnosis: Murder

as Parker Craddick

Animaniacs

as The Farmer (voice)

Star Trek: Deep Space Nine

as Kellin

Batman: The Animated Series

as The Fox (voice)

Double Trouble

as Bob

The Ren & Stimpy Show

Captain America

as Young General Fleming

The Flash

as Roger Braintree

Superboy

Zabagabee

as Art Barnes

Matlock

as Dr. Irwin Bruckner

Hard to Hold

as The James Roberts Band - Keyboard

Twilight Zone: The Movie

as Tim

Fish Heads

Sunshine Christmas

as Weaver

Saturday Night Live

as Art Barnes (uncredited)

Sunshine

as Weaver

The Rockford Files

as Trask

The Rockford Files: Backlash of the Hunter

as Nick Butler

Papillon

as Lariot

Sunshine

as Weaver

Bless the Beasts & Children

as Lawrence Teft

Rascal

as Sterling North

Lancer

Wild in the Streets

as Boy (uncredited)

I Dream of Jeannie

as Custer

Lost in Space

as Will Robinson

Dear Brigitte

as Erasmus 'Ras' Leaf

Lost in Space - No Place to Hide

as Will Robinson

The Munsters

Bewitched

as Michael

For the Love of Willadean

as Freddy Gray

Palm Springs Weekend

as Boom Boom Yates

The Fugitive

as David Taft

The Greatest Show on Earth

as Jeff

A Ticklish Affair

as Alex Martin

Vacation Playhouse

as Chris Williams

A Child Is Waiting

as Child

Sammy, the Way-Out Seal

as Petey Loomis

Going My Way

The Eleventh Hour

The Alfred Hitchcock Hour

as Tony Mitchell

The Virginian

as Willy

Ben Casey

Dr. Kildare

as Jeffey

Tammy Tell Me True

as Neil Bateman

Kraft Mystery Theatre

The Wizard of Baghdad

as Aladdin

National Velvet

The Twilight Zone

as Billy Bayles

The Twilight Zone

as Anthony Fremont

The Twilight Zone

as Young Pip

Perry Mason

as Miles

Wagon Train

as Toddy

Have Gun, Will Travel

as Little Boy at Carlton Hotel

Alfred Hitchcock Presents

as Jackie Chester

Alfred Hitchcock Presents

as Mickey Hollins

The Wonderful World of Disney

as Petey Loomis

The Wonderful World of Disney

as Freddy Gray

Letter to Loretta

as Rennie

Letter to Loretta

as Jimmy Harrison

General Electric Theater

as Buzz

The Jack Benny Program

as Little Boy Who Weighs Himself