Sezon 4
Bölümler
1 The Best of Both Worlds (2) 24 Eyl 1990 
2 Family 1 Eki 1990 
3 Brothers 8 Eki 1990 
4 Suddenly Human 15 Eki 1990 
5 Remember Me 22 Eki 1990 
6 Legacy 29 Eki 1990 
7 Reunion 5 Kas 1990 
8 Future Imperfect 12 Kas 1990 
9 Final Mission 19 Kas 1990 
10 The Loss 31 Ara 1990 
11 Data's Day 7 Oca 1991 
12 The Wounded 28 Oca 1991 
13 Devil's Due 4 Şub 1991 
14 Clues 11 Şub 1991 
15 First Contact 18 Şub 1991 
16 Galaxy's Child 11 Mar 1991 
17 Night Terrors 18 Mar 1991 
18 Identity Crisis 25 Mar 1991 
19 The Nth Degree 1 Nis 1991 
20 Qpid 22 Nis 1991 
21 The Drumhead 29 Nis 1991 
22 Half a Life 6 May 1991 
23 The Host 13 May 1991 
24 The Mind's Eye 27 May 1991 
25 In Theory 3 Haz 1991 
26 Redemption (1) 17 Haz 1991