| Ford Star Revue (with Jack Haley) | 1950-51 | TV Weekly | NL/Ed Simmons, writers |
| Colgate Comedy Hour (Martin and Lewis) | 1950-53 | TV Weekly | NL/Ed Simmons, writers |
| Martin and Lewis | 1950-53 | Radio | NL/Ed Simmons, writers |
| Martha Raye Show | 1954-56 | Radio | NL/Ed Simmons, writers |
| Tennessee Ernie Ford Show | 1957 | TV Weekly | NL writer |
| George Gobel Show | 1957-59 | TV Weekly | NL writer |
| The Deputy (with Henry Fonda) | 1959-61 | TV Series | NL/Roland Kibbee, writers |
| TV Guide Award Show | 1960 | TV Special | NL/Tom Koch, writers |
| Bobby Darin and Friends | 1961 | TV Special | NL writer/Producer/Director |
| Danny Kaye Show | 1961 | TV Special | NL/Hal Kantor, writers |
| Andy Williams Show | 1962 | TV Special Series | NL writer, Bud Yorkin Director |
| Henry Fonda and the Family | 1962 | TV Special | NL/Tom Koch, writers |
| An Evening with Carol Channing | 1966 | TV Special | Tandem Production (NL/Bud Yorkin) |
| Robert Young and the Family | 1971 | TV Special | Tandem Production (NL/Bud Yorkin) |
| All in the Family | 1971-79 | TV Series | Developed/Produced by NL, writing supervision |
| Maude | 1972-78 | TV Series | Developed/Produced by NL, writing supervision |
| Sanford and Son | 1972-78 | TV Series | Produced by NL |
| Duke Ellington … We Love You Madly | 1973 | TV Special | Tandem / T.A.T |
| Good Times | 1974-79 | TV Series | Developed/Produced by NL, writing supervision |
| The Jeffersons | 1975-86 | TV Series | Developed/Produced by NL |
| One Day at a Time | 1975-84 | TV Series | Created, Developed, Produced by NL |
| Hot L Baltimore | 1975 | TV Series | Developed/Produced by NL |
| All’s Fair | 1976-77 | TV Series | Produced by NL |
| The Nancy Walker Show | 1976 | TV Series | Created by NL |
| Mary Hartman, Mary Hartman | 1976-77 | TV Series | Developed/Produced by NL |
| A Year at the Top | 1977 | TV Series | Produced by NL |
| The Dumplings | 1977 | TV Series | Produced by NL |
| All That Glitter | 1977 | TV Series | Developed by NL |
| Fernwood 2Night | 1977 | TV Series | Created by NL |
| Forever Fernwood | 1977 | TV Series | |
| Sanford Arms | 1977 | TV Series | Production Supervisor |
| America 2Night | 1978 | TV Series | |
| Apple Pie | 1978 | TV Series | Created by NL |
| In the Beginning | 1978 | TV Series | Developed by NL |
| The Baxters | 1979 | TV Series | |
| Hanging In | 1979 | TV Series | Produced by NL |
| Palmerstown | 1980-81 | TV Series | Developed/Produced by NL |
| I Love Liberty | 1982 | TV Special | Created, Developed, Written, Produced by NL |
| a.ka. Pablo | 1984 | TV Series | Created by NL |
| E R (aka Recovery Room) | 1984 | TV Series | TAT/Embassy |
| Heartsounds | 1984 | Movie made for TV | Created/Produced by NL |
| Sunday Dinner | 1991 | TV Series | Produced by ACT III / NL |
| All in the Family 20th Anniversary | 1991 | TV Special | Produced by ACT III / NL |
| The Powers That Be | 1992-93 | TV Series | Produced by ACT III / NL |
| 704 Hauser | 1994 | TV Series | Produced by ACT III / NL |
| Channel Umptee-3 | 1997 | TV Series | Produced by ACT III / NL |
| America Divided | 2016-18 | TV Docu-Series | Produced by ACT III / NL |
| One Day at a Time | 2017-20 | TV Series | Produced by ACT III / NL |
| Live in Front of a Studio Audience: All in the Family and The Jeffersons | 2019 | TV Special | Produced by ACT III / NL |
| Live in Front of a Studio Audience: All in the Family and Good Times | 2019 | TV Special | Produced by ACT III / NL |
| Live in Front of a Studio Audience: The Facts of Life and Diff’rent Strokes | 2021 | TV Special | Produced by ACT III / NL |
| Clean Slate | 2024 | TV Series | Produced by Act III / NL |
| Good Times: Black Again | 2024 | TV Animated Series | Produced by Act III / NL |
