| Work | Description | Characters |
|---|---|---|
| That Time I Got Reincarnated (Again!) as a Workaholic Slime | Japanese manga series | 1 |
| That Time I Got Reincarnated as a Slime | Japanese anime television series | 1 |
| That Time I Got Reincarnated as a Slime | Japanese light novel series | 1 |
| That Time I Got Reincarnated as a Slime | Japanese manga series | 1 |
| That Time I Got Reincarnated as a Slime: The Ways of the Monster Nation | Japanese manga series | 1 |
| That Time I Got Reincarnated as a Slime: Trinity in Tempest | Japanese manga series | 1 |
| That Which Survives | episode of Star Trek: The Original Series (S3 E17) | 6 |
| The 100 | 2014-2020 American science fiction television series | 9 |
| The 100 | novel series by Kass Morgan | 4 |
| The 100 Girlfriends Who Really, Really, Really, Really, Really Love You | Japanese manga series | 1 |
| The 100 Girlfriends Who Really, Really, Really, Really, Really Love You | Japanese anime television series | 1 |
| The 34ᵗʰ Rule | 1999 Star Trek: Deep Space Nine novel written by Armin Shimerman and David R. George III | 10 |
| The 7D | television series | 2 |
| The A.B.C. Murders | 1936 novel by Agatha Christie | 1 |
| The Abode of Life | book by G. Harry Stine | 4 |
| The Addams Family | musical | 2 |
| The Addams Family | 1963 TV series | 3 |
| The Addams Family | 1991 film by Barry Sonnenfeld | 1 |
| The Addams Family 2 | 2021 animation film | 1 |
| The Adventure of Charles Augustus Milverton | short story by Arthur Conan Doyle | 1 |
| The Adventure of the Bruce-Partington Plans | short story by Arthur Conan Doyle | 1 |
| The Adventure of the Cardboard Box | short story by Arthur Conan Doyle | 1 |
| The Adventure of the Empty House | short story by Arthur Conan Doyle | 1 |
| The Adventure of the Noble Bachelor | short story by Arthur Conan Doyle | 1 |
| The Adventure of the Norwood Builder | short story by Arthur Conan Doyle | 1 |
| The Adventure of the Red-Headed League | short story by Arthur Conan Doyle | 1 |
| The Adventure of the Second Stain | short story by Arthur Conan Doyle | 1 |
| The Adventure of the Six Napoleons | short story by Arthur Conan Doyle | 1 |
| The Adventure of the Speckled Band | short story by Arthur Conan Doyle | 2 |
| The Adventure of the Three Garridebs | 1924 short story by Arthur Conan Doyle | 1 |
| The Adventure of the Three Students | short story by Arthur Conan Doyle | 1 |
| The Adventures of Batman | animated television series | 3 |
| The Adventures of Batman & Robin | 1994 video game | 2 |
| The Adventures of Ben Gunn | 1956 novel | 1 |
| The Adventures of Huck Finn | 1993 film produced by Walt Disney Pictures | 1 |
| The Adventures of Indiana Jones Role-Playing Game | 1984 tabletop role-playing game | 1 |
| The Adventures of Jimmy Neutron, Boy Genius | American computer-animated television series | 1 |
| The Adventures of Puss in Boots | american animated series | 1 |
| The Adventures of Sharkboy and Lavagirl in 3-D | 2005 film by Robert Rodriguez | 3 |
| The Adventures of Superman | radio series based on DC Comics character Superman | 1 |
| The Adventures of Tintin | animated television series based on The Adventures of Tintin | 1 |
| The Adventures of Tintin | series of 24 comic albums by Belgian cartoonist Hergé | 1 |
| The Adventures of Tom Sawyer | novel by Mark Twain | 2 |
| The Affair | book by Lee Child | 1 |
| The Affair | American television drama series | 7 |
| The Amazing Digital Circus | Australian adult animated web series | 8 |
| The Amazing Spider-Man | 2012 American superhero film directed by Marc Webb | 2 |
| The Amazing Spider-Man | comic book series | 5 |
| The Amazing Spider-Man 2 | 2014 American superhero film by Marc Webb | 4 |
| The Amazing Spider-Man 2 | 2014 video game | 1 |
| The Amazing World of Gumball | British-American children's animated television series | 3 |
| The Ambergris Element | Short story | 6 |
| The Amber Spyglass | 2000 Book by Philip Pullman | 2 |
| The Andorian Incident | episode of Star Trek: Enterprise (S1 E7) | 5 |
| The Animatrix | 2003 American-Japanese anthology anime film | 2 |
| The Apothecary Diaries | Japanese web novel | 1 |
| The Apothecary Diaries | Japanese anime television series | 1 |
| The Apothecary Diaries | Japanese light novel series | 1 |
| The Apothecary Diaries | 2012 novel | 1 |
| The Apothecary Diaries | Japanese manga series | 1 |
| The Archie Show | American animated musical comedy series | 2 |
| The Art of Megamind | 2010 art book | 2 |
| The Ashes Of Eden | book by William Shatner | 6 |
| The Asian Saga | series of six novels written by James Clavell | 1 |
| The Assignment | episode of Star Trek: Deep Space Nine (S5 E5) | 6 |
| The A-Team | 2010 film by Joe Carnahan | 4 |
| The A-Team | 1980s American television series | 4 |
| The Autobiography of FBI Special Agent Dale Cooper: My Life, My Tapes | novel by Scott Frost | 1 |
| The Autobiography of James T. Kirk | Book by David A. Goodman, from 2015 | 3 |
| The Autobiography of Jean-Luc Picard | book | 13 |
| The Avengers | 2012 superhero film produced by Marvel | 11 |
| The Avengers: Earth's Mightiest Heroes | American animated television series | 2 |
| The Bacchae | ancient Greek tragedy by Euripides | 1 |
| The Badlands, Book One | Book by Susan Wright | 12 |
| The Badlands, Book Two | Book by Susan Wright, from 1999 | 12 |
| The Ballad of Songbirds and Snakes | 2020 novel by Suzanne Collins | 1 |
| The Band Concert | 1935 animated short film directed by Wilfred Jackson | 1 |
| The Batman | 2004–2008 American television series | 11 |
| The Batman | 2022 superhero film by Matt Reeves | 7 |
| The Batman/Superman Hour | American animated television series | 3 |
| The Batman Superman Movie: World's Finest | 1996 television film | 1 |
| The Battle of Betazed | Book by Charlotte Douglas | 7 |
| The Begotten | episode of Star Trek: Deep Space Nine (S5 E12) | 1 |
| The Better Man | Book by Howard Weinstein, from 1994 | 5 |
| The Betty Boop Movie Mystery | 1989 television film directed by George Evelyn | 1 |
| The Bible: In the Beginning... | 1966 film by John Huston | 1 |
| The Big Bang Theory | American sitcom | 11 |
| The Big Four | book | 1 |
| The Big Game | Book by Sandy Schofield, from 1993 | 4 |
| The Big Lebowski | 1998 Film directed by Ethan and Joel Coen | 7 |
| The Blacklist | American television series | 2 |
| The Blacklist: Redemption | 2017 US crime thriller television series | 1 |
| The Black Shore | Book by Greg Cox, from 1997 | 6 |
| The Blade Artist | book by Irvine Welsh | 1 |
| The Blue Cross | short story by G.K. Chesterton | 1 |
| The Book of Boba Fett | Upcoming American streaming television series set in the Star Wars universe | 3 |
| The Boondocks | American animated sitcom | 1 |
| The Boondocks | comic strip | 2 |
| The Boscombe Valley Mystery | short story by Arthur Conan Doyle | 1 |
| The Bounds of Reason | short story by Andrzej Sapkowski | 2 |