1: Underdog Underdog vs. Overcat, Part 1

2: Underdog Underdog vs. Overcat, Part 2

3: Underdog Underdog vs. Overcat, Part 3

4: Underdog Underdog vs. Overcat, Part 4

5: Underdog The Big Dipper, Part 1

6: Underdog The Big Dipper, Part 2

7: Underdog The Big Dipper, Part 3

8: Underdog The Big Dipper, Part 4

9: Underdog Just in Case, Part 1

10: Underdog Just In Case, Part 2

11: Underdog Just In Case, Part 3

12: Underdog Just In Case, Part 4

13: Underdog The Marbleheads, Part 1

14: Underdog The Marbleheads, Part 2

15: Underdog The Marbleheads, Part 3

16: Underdog The Marbleheads, Part 4

17: Underdog Simon Says, Be my Valentine, Part 1

18: Underdog Simon Says 'Be My Valentine', Part 2

19: Underdog Simon Says 'Be My Valentine', Part 3

20: Underdog Simon Says 'Be My Valentine', Part 4

21: Underdog Round and Round, Pt 1

22: Underdog Round and Round, Pt 2

23: Underdog Round and Round, Pt 3

24: Underdog Round and Round, Pt 4

25: Underdog A New Villain, Part 1

26: Underdog A New Villain, Part 2

27: Underdog A New Villain, Part 3

28: Underdog A New Villain, Part 4

29: Underdog Batty Man, Part 1

30: Underdog Batty Man, Part 2

31: Underdog Batty Man, Part 3

32: Underdog Batty Man, Part 4

33: Underdog The Vacuum Gun, Part 1

34: Underdog The Vacuum Gun, Part 2

35: Underdog The Vacuum Gun, Part 3

36: Underdog The Vacuum Gun, Part 4

37: Underdog Phoney Booths, Part 1

38: Underdog Phoney Booths, Part 2

39: Underdog Phoney Booths, Part 3

40: Underdog Phoney Booths, Part 4