This is the complete list of the episodes from The Trap Door across both series one and two. The year in which they were aired is contained within the brackets individually alongside them. If anyone could provide any more information as to the exact date they were first aired that would be great.

Series 1
1. Breakfast Time (1984)
2. Slither, Wriggle, and Writhe (1984)
3. Food For Thort (1984)
4. Lurkings (1984)
5. Gourmet's Delight (1984)
6. Creepy Crawly (1984)
7. The Big Thing (1984)
8. Ghoulies (1984)
9. The Dose (1984)
10. The Thingy (1984)
11. Don't Let The Bed Bugs Bite (1984)
12. Fester Rancid (1984)
13. The Pain (1984)
14. The Little Thing (1984)
15. Don't Open That Trap Door (1984)
16. Junk Food (1984)
17. Yechh! (1984)
18. Flyin' Wotsit Fingy
19. Strange Goings On (1984)
20. Midnight Snack (1984)
21. Nasty Stuff (1984)
22. Sniff That (1984)
23. Vile Pile (1984)
24. Slightly Weird (1984)
25. Bye Bye Berk (1984)

Series 2
1. Scunge (1985)
2. Oh Globbits (1985)
3. Moany Boni (1985)
4. The Horrible Thing (1985)
5. Not Very Nice (1985)
6. Bugs (1985)
7. Yum Yum (1985)
8. Birthday Surprise (1985)
9. The Stupid Thing (1985)
10. Boo! (1985)
11. The Lump (1985)
12. The Splund
13. Nasty Beasty (1985)
14. What A Weirdo (1985)
15. The Big Red Thing (1985)