3 Hour Marathon!

3 Hour Marathon! was an event airing a two-hour marathon of SpongeBob SquarePants episodes from Season 1 that occurred on October 2, 1999 from 10:00am to 12:00pm.

New episodes

• MuscleBob BuffPants (10:00am)
• Squidward the Unfriendly Ghost (10:15am)

Rerun episodes

• Mermaid Man and Barnacle Boy (10:30am)
• Pickles (10:45am)

Trivia

• This event was the first time SpongeBob SquarePants aired on Nickelodeon the whole 10am hour; however, that wasn't put to permanent use until May 28, 2000.
• Even though the marathon was intended to be 3 hours long, it was cut to 2 hours.

TV Specials, Shorts, Marathons and Events

Nick Saturdays (1999-2004; 2007; 2010-2012; 2016; 2019; 2020; 2025) • Nick Fridays (1999; 2000; 2001-2006; 2011; 2015; 2021-) • 3 Hour Marathon! (1999) • March Toon Mania (2000) • 2000 Kids' Choice Awards Short (2000) • Astrology with Squidward (2000-2001) • SpongeBob’s Nicktoons Summer Splash (2000-2001) • SpongeBob’s Gold Medal Dive-a-Thon (2000) • Daily U-Pick (2000-2002) • Nicktoons Afternoon Snack Packs (2000) • Nicktoons Got Game-a-Thon (2001) • Mighty Girls of Nick (2001) • Presidents' Day Celebration (2001) • SpongeBob’s You Wish Spectacular Special (2001) • Toonsday Afternoon Marathon (2001) • Spine-Tingling, Teeth-Chattering, Hair-Raising, Spooktastic Nicktoon Boo-Fest (2001) • SpongeBob-a-Thon (2002) • Friday Night Party with the Nicktoons (2002) • Nicktoons Battle (2002) • 12 Days of Nickmas (2002) • Plankton’s Holiday Hits (2002) • Patrick the Snowman (2002) • Nickelodeon Holiday Party (2002) • How the You-Know-Who Stole the You-Know-What (2002) • Nicktoons Studios Rules (2003) • Plankton’s Revenge (2004) • Plankton’s Plan (2004) • The Endless Summer (2005) • Your Brain on SpongeBob (2005) • Random Acts of SpongeBob (2006) • SpongeBob Extras (2006) • The Best Day Ever Marathon (2006) • Super Stuffed Nicksgiving Weekend (2006-2011) • Patrick for President (2007) • Foe-Gotten Years (2007) • NEW NEW NEW NEW NEW Week (2007) • The Top 100 Moments In Nicktoons History (2007) • Journey to Atlantis (2007) • SpongeBob Z-A (2007) • Gimme 5 (2008) • SpongeBob Premiere Factor 5 (2008) • Bikini Bottom Confidential (2008) • Nick’s Nonstop Five at Five (2008) • Spectacular! Presidents' Day Weekend (2009) • SpongeBob Triple Play (2009) • The Big Green Help Shorts (2009) • Bob Squad (2009) • Deep Sea Danger Zone (2009) • The Ultimate SpongeBob SpongeBash (2009) • SpongeBob Surf Shorts (2009) • Square Roots: The Story of SpongeBob SquarePants (2009) • Truth or Square Shorts (2009) • Back to the Past Shorts (2010) • Unnamed March 2010 Premiere Week (2010) • SpongeBob’s Last Stand Shorts (2010) • Clash of the Triton (2010) • The Clash of Triton Shorts (2010) • Gumshoe SquarePants (2010) • Legends of Bikini Bottom (2011) • Legends of Bikini Bottom Shorts (2011) • SpongeBob’s Runaway Roatrip (2011) • Sandy’s Vacation in Ruins (2011) • Two Whole Weeks of Never Before Seen SpongeBobs (2012) • Mermaid Man-a-Thon (2012) • The Super Spongy Square Games (2012) • Nick Sundays (2012; 2015; 2018; 2024) • SpongeBob’s Greatest Grilling Moments (2015-2021; 2023-) • Best of the Pets (2015-) • Krabby Patty Party (2017) • Frozen Krabby Patty Shorts (2017) • SpongeBob Gold (2017) • The Best of Patrick Star (2017) • You Bring the Color Week (2017) • SpongeBob’s Super Saturday Night (2021-) • SpongeBob’s Winter Wonderland (2021) • The Tidal Zone (2023) • The Best of Squidward (2023) • SpongeBob SportsPants (2023) • Best of Sandy Cheeks (2023) • Best of the Flying Dutchman (2023-) • SpongeBob SquarePants' Super Stuffed Thanksgiving (2023) • SpongeBob’s Super Bowl Party (2024) • Super Bowl LVIII: Live from Bikini Bottom (2024) • The Best of Mr. Krabs (2024) • 31 Nights of Frights (2024) • The Best of Pearl (2024) • 25 Days of Spongemas (2024) • The Best Krabby Patty Moments! (2024) • Beneath the Bun: Secrets of the Krabby Patty (2024) • Nickelodeon’s NFL Wild Card Game Live from Bikini Bottom (2025) • SpongeBob’s Summer of F.U.N. (2025)