See how Simi Valley celebrates 50th anniversary of 'Little House on the Prairie'

Sets for “Little House on the Prairie” are remade at Simi Valley’s Big Sky Movie Ranch on Thursday, March 21, 2024, prior to a cast reunion and festival celebrating the popular TV show’s 50th anniversary.

Actor Dean Butler, left, talks outside a tour bus with Rob Frank, ranch manager of Big Sky Movie Ranch in Simi Valley, where "Little House on the Prairie" will celebrate the show's 50th anniversary, on Thursday, March 21, 2024.

Alison Arngrim, who played "nasty" Nellie Oleson in “Little House on the Prairie,” acts in front of a re-created facade at Big Sky Movie Ranch in Simi Valley for the TV show's 50th anniversary on Thursday, March 21, 2024.

Jennifer Steffin, who played Rose Wilder in “Little House on the Prairie,” takes a seat in the school house movie set at Rancho Santa Susana Community Park in Simi Valley on Thursday, March 21, 2024.

Dean Butler, who played Almanzo Wilder in "Little House on the Prairie," explores one of the re-created TV sets at Rancho Santa Susana Community Park in Simi Valley as the show celebrates its 50th anniversary on Thursday, March 21, 2024.

Charlotte Stewart, who played the school teacher Eva Beadle Simms in “Little House on the Prairie," stands for photos at a re-created facade at Big Sky Movie Ranch in Simi Valley on Thursday, March 21, 2024.

Rob Frank, left, ranch manager of Big Sky Movie Ranch in Simi Valley, talks with snake wrangler Aaron Wells and actor Dean Butler, right, outside a tour bus with the “Little House on the Prairie” set behind them on Thursday, March 21, 2024. The show's 50th anniversary is being celebrated in Simi Valley during a three-day festival starting Friday.

Sets for “Little House on the Prairie” are remade at Simi Valley’s Big Sky Movie Ranch on Thursday, March 21, 2024, prior to a cast reunion and festival celebrating the popular TV show’s 50th anniversary.

Sets for “Little House on the Prairie” are remade at Simi Valley’s Big Sky Movie Ranch on Thursday, March 21, 2024, prior to a cast reunion and festival celebrating the popular TV show’s 50th anniversary.

Sets for “Little House on the Prairie” are re-created at Simi Valley’s Big Sky Movie Ranch on Thursday, March 21, 2024. A cast reunion and festival celebrating the popular TV show’s 50th anniversary starts Friday.

Sets for “Little House on the Prairie” are re-created at Simi Valley’s Big Sky Movie Ranch on Thursday, March 21, 2024, prior to a cast reunion and festival celebrating the popular TV show’s 50th anniversary.

The Oleson's Mercantile set for “Little House on the Prairie” is re-created at Simi Valley’s Big Sky Movie Ranch on Thursday, March 21, 2024, for a festival celebrating the TV show’s 50th anniversary starting Friday.

Alison Arngrim, who played Nellie Oleson in “Little House on the Prairie,” talks with reporters at one of the show's re-created sets at the Big Sky Movie Ranch in Simi Valley on Thursday, March 21, 2024. The show's 50th anniversary is being celebrated with a three-day festival starting Friday.

A model horse stands next to a photo from “Little House on the Prairie” on Thursday, March 21, 2024, prior to a cast reunion and festival in Simi Valley celebrating the popular TV show’s 50th anniversary.

Charlotte Stewart, who played the school teacher Eva Beadle Simms on “Little House on the Prairie,” talks with reporters at Rancho Santa Susana Community Park in Simi Valley on Thursday, March 21, 2024.

Alison Arngrim, who played Nellie Oleson in “Little House on the Prairie,” talks with reporters at Rancho Santa Susana Community Park in Simi Valley on Thursday, March 21, 2024.

Rob Frank, ranch manager of Big Sky Movie Ranch in Simi Valley, talks with Dean Butler and Steven Wishnoff outside a tour bus with a “Little House on the Prairie” set behind them for the show's 50th anniversary on Thursday, March 21, 2024.

Sets for “Little House on the Prairie” are remade at Simi Valley’s Big Sky Movie Ranch on Thursday, March 21, 2024, prior to a cast reunion and festival celebrating the popular TV show’s 50th anniversary.

A remade Oleson's Mercantile set from “Little House on the Prairie” stands at Simi Valley’s Big Sky Movie Ranch on Thursday, March 21, 2024, prior to a cast reunion and festival celebrating the popular TV show’s 50th anniversary.

Photos of the late actor Michael Landon are on display before the “Little House on the Prairie” 50th anniversary celebration at Rancho Santa Susana Community Park in Simi Valley on Thursday, March 21, 2024.

Charlotte Stewart, who played the school teacher Eva Beadle Simms in “Little House on the Prairie," poses for cameras at Big Sky Movie Ranch in Simi Valley on Thursday, March 21, 2024.

Dolls representing characters from “Little House on the Prairie” are displayed at Simi Valley’s Big Sky Movie Ranch on Thursday, March 21, 2024, prior to a cast reunion and festival celebrating the popular TV show’s 50th anniversary.

Re-created sets for “Little House on the Prairie” are visible through a tour bus window at Simi Valley’s Big Sky Movie Ranch on Thursday, March 21, 2024, prior to a cast reunion and festival celebrating the popular TV show’s 50th anniversary.