Three monsters—Ickis, Oblina, and Krumm—attend a monster school to learn how to frighten humans while facing other struggles, often involving their strict instructor known as The Gromble.
| Season | From | To | Episodes | 
|---|---|---|---|
| All Seasons | |||
| Specials | October 1993 | 1 | |
| Season 1 | October 1994 | January 1995 | 24 | 
| Season 2 | September 1995 | December 1995 | 26 | 
| Season 3 | September 1996 | November 1996 | 26 | 
| Season 4 | September 1997 | December 1997 | 26 | 
| Unassigned Episodes | 0 | 
| Season | From | To | Episodes | 
|---|---|---|---|
| All Seasons | |||
| Season 1 | October 1994 | January 1995 | 24 | 
| Season 2 | September 1995 | December 1995 | 26 | 
| Season 3 | September 1996 | November 1996 | 26 | 
| Season 4 | September 1997 | December 1997 | 26 | 
| Unassigned Episodes | 1 | 
| Season | From | To | Episodes | 
|---|---|---|---|
| Season 1 | 0 | ||
| Unassigned Episodes | 103 | 
| Name | Number of Episodes | Dates | |
|---|---|---|---|
| Mark Palmer | 30 | 09/09/1995 - 11/29/1997 | |
| Michael Price | 26 | 11/26/1994 - 12/06/1997 | |
| Spencer Green | 24 | 09/16/1995 - 11/16/1996 | |
| Mary Elizabeth Williams | 24 | 09/16/1995 - 11/16/1996 | |
| Steve Skrovan | 18 | 10/07/1995 - 12/06/1997 | |
| David Litt | 9 | 11/12/1994 - 01/14/1995 | |
| Roger Eschbacher | 8 | 10/21/1995 - 11/30/1996 | |
| Peter Gaffney | 8 | 11/05/1994 - 01/21/1995 | |
| Kat Likkel | 8 | 09/20/1997 - 11/29/1997 | |
| David Silverman | 6 | 10/29/1994 - 09/16/1995 | |
| Victor Wilson | 6 | 11/02/1996 - 10/04/1997 | |
| Mark Steen | 6 | 09/09/1995 - 09/13/1997 | |
| Marcia Gray Rubin | 6 | 10/29/1994 - 09/23/1995 | |
| David Regal | 6 | 11/23/1996 - 11/01/1997 | |
| William Schifrin | 4 | 01/07/1995 - 10/26/1996 | |
| Lance Khazei | 4 | 12/17/1994 - 12/02/1995 | |
| Susan Meyers | 4 | 11/26/1994 - 01/21/1995 | |
| Lawrence H. Levy | 4 | 11/05/1994 - 12/31/1994 | |
| Michael Karnow | 4 | 12/17/1994 - 12/02/1995 | |
| Bill Braunstein | 4 | 10/18/1997 - 11/01/1997 | |
| Ron Nelson | 4 | 11/23/1996 - 10/18/1997 | |
| Denise Donner | 2 | 09/28/1996 | |
| Sib Ventress | 2 | 10/12/1996 | |
| Gary Glasberg | 2 | 12/24/1994 | |
| Carolyn Omine | 2 | 09/07/1996 | |
| Cydne Clark | 2 | 11/05/1994 | |
| Steve Cranat | 2 | 11/05/1994 | |
| Richard Marcus | 2 | 01/07/1995 | |
| Michael Palmer | 2 | 11/04/1995 | |
| Bruce Kalish | 2 | 11/12/1994 | |
| Eric Mintz | 2 | 12/03/1994 | |
| Denise Downer | 2 | 11/22/1997 | |
| David Pavoni | 2 | 12/24/1994 | |
| Scott Kregor | 2 | 12/24/1994 | 
| Name | Number of Episodes | Dates | |
|---|---|---|---|
| Jim Duffy | 19 | 10/29/1994 - 10/19/1996 | |
| Igor Kovalyov | 14 | 11/05/1994 - 09/21/1996 | |
| Andrei Svislotski | 12 | 11/12/1994 - 10/19/1996 | |
| Jim Duffy | 7 | 11/05/1994 - 01/07/1995 | 
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    A comprehensive list of all TV series seen and experienced throughout my life from early childhood to the present day. Usually full completion including all seasons, but at least a mandatory minimum of one full season. Will include live action and Western animation/cartoons, but exclude anime, which is on a separate list.
    A list of the Nick shows I grew up with and have the most nostalgia for, organized by release date.
    A list of the Nicktoon shows I grew up with and have the most nostalgia for, organized by release date.
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