Heritage Auctions: Celebrating the 1990s - The Animation Art of Nickelodeon, MTV, and The Cartoon Network Showcase Auction, 40257, Dallas

Rocko's Modern Life Rocko and Heffer Production Cel (Nickelodeon, 1993).

Rocko's Modern Life Heffer Costume Model Cels Group of 3 (Nickelodeon, 1995).

Aaahh!!! Real Monsters "Monsters In Training" Ickis, Krum, and Oblina Limited Edition Sericel (Nickelodeon, 1994/95).

Hey Arnold! "Snow" Production Cel Signed by Creator Craig Bartlett (Nickelodeon, 1996).

Hey Arnold! Hand-Painted Promotional Cel of Arnold and Gerald Signed by Series Creator Craig Bartlett (Nickelodeon, c. 1997).

Hey Arnold! Gerald, Arnold, and Helga Limited Edition Cel AP #17/30 (Nickelodeon, c. 1996).

Hey Arnold! Arnold and Gerald Style Guide Original Art Pair (Nickelodeon, c. 1996-2004).

Hey Arnold! Boys and Girls Size Comparison Style Guide Original Art Pair (Nickelodeon, c. 1996-2004).

Hey Arnold! Arnold and Gerald Style Guide Original Art Pair (Nickelodeon, c. 1996-2004).

Hey Arnold! Arnold Style Guide Original Art with Multi-Character Studio Printed Model Sheets Group of 3 (Nickelodeon, c. 1996-2004).

Hey Arnold! Arnold and Helga Style Guide Original Art (Nickelodeon, c. 1996-2004).

Hey Arnold! Arnold, Gerald, and Harold Style Guide Original Art (Nickelodeon, c. 1996-2004).

Hey Arnold! Arnold and Gerald Style Guide Original Art (Nickelodeon, c. 1996-2004).

Hey Arnold! Arnold, Gerald, and Helga Style Guide Original Art (Nickelodeon, c. 1996-2004).

Hey Arnold! Arnold, Gerald, Harold, Eugene, Phoebe, and Helga Style Guide Original Art (Nickelodeon, c. 1996-2004).

Hey Arnold! The Music Vol. 1 RARE Colored Vinyl Soundtrack Album (Nickelodeon, 2000).

CatDog "All You Need Is Lube" Dog Production Cel Key Master Setup (Nickelodeon, 1998).

CatDog "All You Need Is Lube" Dog and Lube Production Cel Key Master Setup (Nickelodeon, 1998).

CatDog "The Collector" Cat Production Cel Key Master Setup (Nickelodeon, 1998).

CatDog "The Collector" Cat and Rancid Rabbit Production Cel Key Master Setup (Nickelodeon, 1998).

CatDog "Fetch" CatDog Production Cel (Nickelodeon, 1998).

Catdog Hand-Painted Studio Gift Cel from Nickelodeon Signed by Show Creator Peter Hannan (Nickelodeon, c. 1999).

CatDog Large 40" Nickelodeon Studio-Used Promotional Sign (Nickelodeon, 1998).

The Angry Beavers Norbert and Daggett Limited Edition Cel AP#14/30 (Nickelodeon, c. 1996-2001).

The Angry Beavers Norbert Concept/Character Design Model Original Art (Nickelodeon, c. 1997-2001).