Well I'm only 12 but I know when it was shown...
Red Dwarf Episode List/First Aired Dates
Season 1
1. 1-1 15-Feb-1988 The End
2. 1-2 22-Feb-1988 Future Echoes
3. 1-3 29-Feb-1988 Balance of Power
4. 1-4 07-Mar-1988 Waiting For God
5. 1-5 14-Mar-1988 Confidence and Paranoia
6. 1-6 21-Mar-1988 Me2
Season 2: Red Dwarf II
7. 2-1 06-Sep-1988 Kryten
8. 2-2 13-Sep-1988 Better Than Life
9. 2-3 20-Sep-1988 Thanks For The Memory
10. 2-4 27-Sep-1988 Stasis Leak
11. 2-5 04-Oct-1988 Queeg
12. 2-6 11-Oct-1988 Parallel Universe
Season 3: Red Dwarf: The Saga Continuums
13. 3-1 14-Nov-1989 Backwards
14. 3-2 21-Nov-1989 Marooned
15. 3-3 28-Nov-1989 Polymorph
16. 3-4 05-Dec-1989 Bodyswap
17. 3-5 12-Dec-1989 Timeslides
18. 3-6 19-Dec-1989 The Last Day
Season 4: Red Dwarf IV
19. 4-1 14-Feb-1991 Camille
20. 4-2 21-Feb-1991 D.N.A.
21. 4-3 28-Feb-1991 Justice
22. 4-4 07-Mar-1991 White Hole
23. 4-5 14-Mar-1991 Dimension Jump
24. 4-6 21-Mar-1991 Meltdown
Season 5: Red Dwarf V
25. 5-1 20-Feb-1992 Holoship
26. 5-2 27-Feb-1992 The Inquisitor
27. 5-3 05-Mar-1992 Terrorform
28. 5-4 12-Mar-1992 Quarantine
29. 5-5 19-Mar-1992 Demons & Angels
30. 5-6 26-Mar-1992 Back To Reality
Season 6: Red Dwarf VI
31. 6-1 07-Oct-1993 Psirens
32. 6-2 14-Oct-1993 Legion
33. 6-3 21-Oct-1993 Gunmen of the Apocalypse
34. 6-4 28-Oct-1993 Emohawk - Polymorph II
35. 6-5 04-Nov-1993 Rimmerworld
36. 6-6 11-Nov-1993 Out Of Time
Season 7: Red Dwarf VII
37. 7-1 17-Jan-1997 Tikka To Ride
38. 7-2 24-Jan-1997 Stoke Me A Clipper
39. 7-3 31-Jan-1997 Ouroboros
40. 7-4 07-Feb-1997 Duct Soup
41. 7-5 14-Feb-1997 Blue
42. 7-6 21-Feb-1997 Beyond a Joke
43. 7-7 28-Feb-1997 Epideme
44. 7-8 07-Mar-1997 Nanarchy
Red Dwarf Specials
S-1 15-Feb-1998 Red Dwarf Night
S-2 13-Nov-1998 Children In Need
Season 8: Red Dwarf VIII
45. 8-1 18-Feb-1999 Back in the Red (1)
46. 8-2 25-Feb-1999 Back in the Red (2)
47. 8-3 04-Mar-1999 Back in the Red (3)
48. 8-4 11-Mar-1999 Cassandra
49. 8-5 18-Mar-1999 Krytie TV
50. 8-6 25-Mar-1999 Pete
51. 8-7 01-Apr-1999 Pete II
52. 8-8 05-Apr-1999 Only The Good...