- January 14: Barney's Sense-Sational Day and Run, Jump, Skip and Sing are released to stores.
- March 18: Barney's Colors & Shapes is released to stores.
- Early April: Production for Season 4 began
- May 6: Barney's Musical Scrapbook is released to stores.
- July 1: The updated version of Barney Magazine is released.
- July 8: Camp WannaRunnaRound is released to stores.
- Late July: Production for Barney's Great Adventure began
- September 1: Hachaverim Shel Barney premiered in Israel.
- September 2: Barney's Adventure Bus is released to stores.
- September 11: Actimates Barney, Actimates TV Pack (along with Barney's Stu-u-upendous Puzzle Fun!), and Actimates PC Pack are released to stores.
- September 30: Happy Holidays Love, Barney is released to stores.
- November 3: All Barney & Friends episodes become encoded with signals to interact with the Actimates Barney doll.
- November 4: Barney's Good Day, Good Night is released to stores.
- November 17: Season 4 Premieres
- November 27: Barney, Baby Bop, and BJ performed Imagine at the Macy's Thanksgiving Day Parade in New York City in the United States. Also, the Barney Balloon crashed in the lamppost and had to be deflated by police. Due to rough winds swinging the balloon around.
- December 12: Season 4 finale
- Mid-December: Barney's Big Surprise is filmed at the Lawrence Joel Veterans Memorial Coliseum in Winston-Salem, North Carolina in the United States.
- The launch of www.barneyonline.com
New Barney & Friends Episodes and SongsEdit
Season Four Episodes
Cast & CrewEdit
- Barney (Body: David Joyner/Josh Martin/Maurice Scott, Voice: Bob West)
- Baby Bop (Body: Jeff Ayers, Voice: Julie Johnson)
- BJ (Body: Jeff Brooks /Adam Brown, Voice: Patty Wirtz)
- Tosha (Hope Cervantes)
- Carlos (Corey Lopez)
- Jason (Kurt Dykhuizen)
- Ashley (Monet Chandler)
- Alissa (Maurie Chandler)
- Stephen (Chase Gallatin)
- Maria (Jessica Hinojosa)
- Kristen (Sara Hickman)
- Hannah (Marisa Kuers) (debut)
- Kim (Erica Rhodes) (debut)
- Keesha (Mera Baker) (debut)
- Robert (Angel Velasco) (debut)
- Chip (Lucien Douglas) (debut)
- Jeff (Austin Ball) (debut)
- Danny (Jeffrey Hood) (debut)
- Curtis (Monte Black) (debut)
- Mr. Boyd (Robert Sweatman)
- Stella the Storyteller (Phyllis Cicero)
- Scooter McNutty (voiced by Todd Duffey) (debut)
- Miss Etta Kette (voiced by Brice Armstrong) (debut)
- Sheryl Stamps Leach
- Dennis DeShazer
- Stephen White
- Mark S. Bernthal
- Perri Verdino-Gates
- Mitch Lobrovich
- Donna Cooner
- Heidi B. Kirby
- Troy Charles
- Fred Holmes
- Steven Feldman
- Jim Rowley
- Penny Wilson (Performance Director)
- Jim Rowley (Supervising Producer)
- Ben Vaughn (Senior Consulting Producer)
- Linda Houston (Consulting Producer)
- Jeff Gittle
- Joe Phillips/Joseph Phillips
- Bob Singleton
- David Bernard Wolf
- Barney (Body: Carey Stinson / Voice: Dean Wendt) [20/20]
- Baby Bop (Body: Jeff Ayers & Jennifer Gibel / Voice: Julie Johnson) [10/20]
- BJ (Body: Kyle Nelson / Voice: Patty Wirtz) [11/20]
- Mario (Zachary Soza) (debut) [11/20]
- Whitney (Kayla S. Levels) (debut) [8/20]
- Beth (Katherine Pully) (debut) [7/20]
- Kami (Makayla Crawford) (debut) [7/20]
- Scott (Alex Wilson) (debut) [7/20]
- Angela (Demi Lovato) (debut) [6/20]
- Gianna (Selena Gomez) (debut) [6/20]
- Sarah (Hayden Tweedie) (debut) [6/20]
- Tony (Zachary Fountain) (debut) [6/20]
- Nick (Grayson Lee Vanover) [5/20]
- Karin Duffy (played Miss Duffy in Puppy Love)
- Michael Anthony Steele (played in Mr. Steele in Puppy Love)
- Jalil Williams (played Jamal in Stop! Go!)
- Georgia Foy (played Officer Phillips in Stop! Go!)
- Joan Jenkins (played Miss Jo in Red, Yellow and Blue!)
- Claire Burdette (played Colleen in A New Friend)
- Susan Frazier (played the French horn in Come Blow Your Horn!)
- Simon Willats (played the trombone in Come Blow Your Horn!)
- Freddy Morgan (played the trumpet in Come Blow Your Horn!)
- Larry Spencer (played the trumpet in Come Blow Your Horn!)
- Nathan Frazier (played the tuba in Come Blow Your Horn!)
- Mary Lyons (played Gianna's Mother in My Family and Me)
- Robert Meadows (played Gianna's Father in My Family and Me)
- Kater Aberger (played Gianna's Sister in My Family and Me)
- John Peter Lacosta (played Gianna's Brother in My Family and Me)
- Alicia Caesar (played Whitney's Grandma in My Family and Me)
- Kelly F. Bender (played Whitney's Grandpa in My Family and Me)
- Melinda Lea'l (played Mario's Mother in My Family and Me)
- Rene' Mungia (played Mario's Father in My Family and Me)
- Orlando Rojas (played Mario's Brother in My Family and Me)
- Rick Walker (played Nick's Father in My Family and Me)
- This season marked:
- The first season to be produced by "HIT Entertainment".
- The first season in which Barney is voiced by Dean Wendt and performed by Carey Stinson.
- The first season in which BJ is performed by Kyle Nelson.
- The first season in which Randy Dalton is the executive producer, replacing the last original executive producer Dennis DeShazer.
- The first season to take place at the park.
- The first appearances of Gianna, Angela, Sarah, Scott, Kami, Mario, Tony, Beth, and Whitney.
- The first appearance of The Idea Bench.
- The first season to have Barney "break the fourth wall", by talking directly to his audience.
- The first 10 episodes of this season originally aired on "PBS" from September 2, 2002 until September 13, 2002 while the last 10 episodes of this season originally aired on "PBS" on Fridays from September 20, 2002 until November 22, 2002.
- Despite starting a new generation, the PBS fundings still used Keesha (from the second generation). She will also do them for Season 8.
- Although The Adventure Screen segment is no longer used, this season uses real footage of children interacting with each other and with their family and friends.
- Originally, the season was going to take place at Barney's house, but then it was decided that it will take place at the park.