Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Title | Series | Director | Production Number | Release date |
| --- | --- | --- | --- | --- |
| Porky's Last Stand | LT | Bob Clampett | 9158 | 1940-01-06 |
| The Early Worm Gets the Bird | MM | Tex Avery | 9103, BR 1318 | 1940-01-13 |
| Africa Squeaks | LT | Bob Clampett | 9160 | 1940-01-27 |
| Mighty Hunters | MM | Chuck Jones | 9363, BR 1314 | 1940-01-27 |
| Ali-Baba Bound | LT | Bob Clampett | 9364 | 1940-02-10 |
| Busy Bakers | MM | Ben Hardaway Cal Dalton | 9153 | 1940-02-10 |
| Elmer's Candid Camera | MM | Chuck Jones | 9371 | 1940-03-02 |
| Pilgrim Porky | LT | Bob Clampett | 9368 | 1940-03-16 |
| Cross-Country Detours | MM | Tex Avery | 9423 | 1940-03-16 |
| Confederate Honey | MM | Friz Freleng | 9365 | 1940-03-30 |
| Slap-Happy Pappy | LT | Bob Clampett | 9370 | 1940-04-13 |
| The Bear's Tale | MM | Tex Avery | 9369, BR 2-13 | 1940-04-13 |
| The Hardship of Miles Standish | MM | Friz Freleng | 9373 | 1940-04-27 |
| Porky's Poor Fish | LT | Bob Clampett | 9372 | 1940-04-27 |
| Sniffles Takes a Trip | MM | Chuck Jones | 9367, BR 1315 | 1940-05-11 |
| You Ought to Be in Pictures | LT | Friz Freleng | 9366 | 1940-05-18 |
| A Gander at Mother Goose | MM | Tex Avery | 9535 | 1940-05-25 |
| The Chewin' Bruin | LT | Bob Clampett | 9534 | 1940-06-08 |
| Tom Thumb in Trouble | MM | Chuck Jones | 9425, BR 1175 | 1940-06-08 |
| Circus Today | MM | Tex Avery | 9593 | 1940-06-22 |
| Porky's Baseball Broadcast | LT | Friz Freleng | 9536 | 1940-07-06 |
| Little Blabbermouse | MM | Friz Freleng | 9159 | 1940-07-06 |
| The Egg Collector | MM | Chuck Jones | 9595 | 1940-07-20 |
| A Wild Hare | MM | Tex Avery | 9617 | 1940-07-27 |
| Ghost Wanted | MM | Chuck Jones | 9537 | 1940-08-10 |
| Patient Porky | LT | Bob Clampett | 9538 | 1940-08-24 |
| Ceiling Hero | MM | Tex Avery | 9561 | 1940-08-24 |
| Malibu Beach Party | MM | Friz Freleng | 9633 | 1940-09-14 |
| Calling Dr. Porky | LT | Friz Freleng | 9616 | 1940-09-21 |
| Stage Fright | MM | Chuck Jones | 9757 | 1940-09-28 DVD – City for Conquest |
| Prehistoric Porky | LT | Bob Clampett | 9614 | 1940-10-12 |
| Holiday Highlights | MM | Tex Avery | 9637 | 1940-10-12 |
| Good Night, Elmer | MM | Chuck Jones | 9775 | 1940-10-26 |
| The Sour Puss | LT | Bob Clampett | 9634 | 1940-11-02 |
| Wacky Wildlife | MM | Tex Avery | 9759, BR 1316 | 1940-11-09 |
| Bedtime for Sniffles | MM | Chuck Jones | 9635 | 1940-11-23 |
| Porky's Hired Hand | LT | Friz Freleng | 9636 | 1940-11-30 |
| Of Fox and Hounds | MM | Tex Avery | 9771, BR 1362 | 1940-12-07 |
| The Timid Toreador | LT | Bob Clampett Norm McCabe | 9638 | 1940-12-21 |
| Shop, Look and Listen | MM | Friz Freleng | 9639 | 1940-12-21 |
Question:
What is the release date of the mm series, which has the title tom thumb in trouble?
Answer:
1940-06-08