I found a list of them and if anyone is interested they are below:
1. "Adharca Fada" (2006) TV Series
2. "Amú" (2003) TV Series
3. "Cursaí Ealaine" (1995) TV Series
4. "Deadwood" (2004): Tell Your God to Ready for Blood TV Episode 8.6/10 (23 votes)
5. "Hollywood Anocht" (1999) TV Series
...aka "Hollywood Tonight" (1997) (Ireland: English title: literal title)
6. "Machair" (1993) TV Series
7. "MOD 99" (1999) TV Series
8. "Paisean Faisean" (2005) TV Series
9. "Pigs Next Door" (2000) TV Series
...aka "Muca Beal Dorais" (2000) (Ireland: Irish title)
10. "Play for Today" (1970): The Cheviot, the Stag and the Black, Black Oil TV Episode
11. "Radharc" (1961) TV Series
12. "Ros na Rún" (1996) TV Series
13. "Rí Rá" (2001) TV Series
14. "Rí Rá" (2002) TV Series
15. "SBB Ina Shui" (1981) TV Series
16. "Soiscéal Padraig" (2004) TV Series
17. "SpongeBob SquarePants" (1999) TV Series
...aka "SpongeBob" (1999) (USA: short title)
18. "Thall Thairis" (????) TV Series
19. "TNG" (????) TV Series
20. "Trí Scéal" (2000) TV Series
21. "Turas Teanga" (2004) TV Series
22. 'I Know Where I'm Going!' (1945) 8.0/10 (1205 votes)
23. Ailsa (1994) 5.1/10 (13 votes)
24. An Bonnán Buí (1995)
25. An Ceasnachadh (2000)
...aka Interrogation of a Highland Lass (2000) (Scotland: English title)
26. An Gobán Saor (1994)
27. An te nach bhfuil laidir (2002)
28. Aqua (1998)
29. As an Eilean (1993) 5.4/10 (15 votes)
...aka From the Island (1993)
30. Avalanche Express (1979) 4.3/10 (291 votes)
31. Being Human (1993) 4.8/10 (1228 votes)
32. Blown Away (1994) 5.7/10 (5684 votes)
33. Bogwoman (1997) (TV) 1.4/10 (16 votes)
34. Book That Wrote Itself: Getting It Out There, The (2001) (TV)
35. Broken Harvest (1994) 4.5/10 (31 votes)
36. Capercaillie Collection: 1990-1996, The (2000) (V) 9.8/10 (6 votes)
37. Clare Sa Speir (2001)
38. Conneely's Choice (1992)
39. Cosa Nite (1998)
40. Cosc Ar Ghneas/A Ban on Sex (2005) (TV)
41. Courier, The (1988) 5.1/10 (33 votes)
42. Cò Losig Air? (2003) (TV)
...aka Red Fox (2003) (TV) (UK: informal English title)
43. Dallacan (2000)
44. Dealbh a' Ghaidheil (2003) (TV)
...aka Picturing the Gael (2003) (TV) (UK: informal English title)
45. Diarmaid & Strongbow (2005) (TV)
46. Dillusc (1999)
47. Draiocht (1996) (TV) 6.6/10 (17 votes)
48. Díog Is Faide, An (2004) 4.7/10 (10 votes)
49. Eurovision Song Contest, The (1972) (TV) 8.8/10 (11 votes)
50. Façon de le dire, La (1998) (TV) 6.2/10 (7 votes)
That's half the list, but if you want the rest here is the website:
http://www.imdb.com/List?language=Gaelic&&tv=on&&heading=10;Gaelic&&nav=/Sections/Languages/Gaelic/include-titles