Underdog S1E1

S1E1

Safe Waif

Ep 1 · 1964-10-03

S1E2

March of the Monsters

Ep 2 · 1964-10-03

S1E3

Simon Says

Ep 3 · 1964-10-10

S1E4

Go Snow Part 1

Ep 4 · 1964-10-10

S1E5

Go Snow Part 2

Ep 5 · 1964-10-17

S1E6

Go Snow Part 3

Ep 6 · 1964-10-17

S1E7

Go Snow Part 4

Ep 7 · 1964-10-24

S1E8

Zot: Part 1

Ep 8 · 1964-10-24

S1E9

Zot, Part 2

Ep 9 · 1964-10-31

S1E10

Zot, Part 3

Ep 10 · 1964-10-31

S1E11

Zot, Part 4

Ep 11 · 1964-11-07

S1E12

The Great Gold Robbery, Part 1

Ep 12 · 1964-11-07

S1E13

The Great Gold Robbery, Part 2

Ep 13 · 1964-11-14

S1E14

The Great Gold Robbery, Part 3

Ep 14 · 1964-11-14

S1E15

The Great Gold Robbery, Part 4

Ep 15 · 1964-11-21

S1E16

Fearo, Part 1

Ep 16 · 1964-11-21

S1E17

Fearo, Part 2

Ep 17 · 1964-11-28

S1E18

Fearo, Part 3

Ep 18 · 1964-11-28

S1E19

Fearo, Part 4

Ep 19 · 1964-12-05

S1E20

The Big Shrink, Part 1

Ep 20 · 1964-12-05

S1E21

The Big Shrink, Part 2

Ep 21 · 1964-12-12

S1E22

The Big Shrink, Part 3

Ep 22 · 1964-12-12

S1E23

The Big Shrink, Part 4

Ep 23 · 1964-12-19

S1E24

The Bubbleheads, Part 1

Ep 24 · 1964-12-19

S1E25

The Bubbleheads Part 2

Ep 25 · 1964-12-26

S1E26

The Bubbleheads Part 3

Ep 26 · 1964-12-26

S1E27

The Bubbleheads Part 4

Ep 27 · 1965-01-02

S1E28

From Hopeless To Helpless, Part 1

Ep 28 · 1965-01-02

S1E29

From Hopeless To Helpless, Part 2

Ep 29 · 1965-01-09

S1E30

From Hopeless To Helpless, Part 3

Ep 30 · 1965-01-09

S1E31

From Hopeless To Helpless, Part 4

Ep 31 · 1965-01-16

S1E32

Tricky Trap by Tap Tap

Ep 32 · 1965-01-16

S1E330

The Witch of Pickyoon

Ep 330

S2E1

The Witch Of Pickyoon, Part 1

Ep 1 · 1965-01-23

S2E2

The Witch Of Pickyoon, Part 2

Ep 2 · 1965-01-23

S2E3

The Witch Of Pickyoon, Part 3

Ep 3 · 1965-01-30

S2E4

The Witch Of Pickyoon, Part 4

Ep 4 · 1965-01-30

S2E5

Weathering the Storm: Part One

Ep 5 · 1965-02-06

S2E6

Weathering the Storm: Part Two

Ep 6 · 1965-02-06

S2E7

Weathering the Storm: Part Three

Ep 7 · 1965-02-13

S2E8

Weathering the Storm: Part Four

Ep 8 · 1965-02-13

S2E9

The Gold Bricks, Part I

Ep 9 · 1965-02-20

S2E10

The Gold Bricks, Part 2

Ep 10 · 1965-02-20

S2E11

The Gold Bricks, Part 3

Ep 11 · 1965-02-27

S2E12

The Gold Bricks, Part 4

Ep 12 · 1965-02-27

S2E13

The Magnet Men, Part 1

Ep 13 · 1965-03-06

S2E14

The Magnet Men, Part 2

Ep 14 · 1965-03-06

S2E15

The Magnet Men, Part 3

Ep 15 · 1965-03-13

S2E16

The Magnet Men, Part 4

Ep 16 · 1965-03-13

S2E17

Phoney Booths, Part 1

Ep 17 · 1965-09-04

S2E18

Phoney Booths, Part 2

Ep 18 · 1965-09-04

S2E19

Phoney Booths, Part 3

Ep 19 · 1965-09-11

S2E20

Phoney Booths, Part 4

Ep 20 · 1965-09-11

S2E21

Pain Strikes Underdog, Part 1

Ep 21 · 1965-09-18

S2E22

Pain Strikes Underdog, Part 2

Ep 22 · 1965-09-18

S2E23

Pain Strikes Underdog, Part 3

Ep 23 · 1965-09-25

S2E24

Pain Strikes Underdog, Part 4

Ep 24 · 1965-09-25

S2E25

The Molemen, Part 1

Ep 25 · 1965-10-02

S2E26

The Molemen, Part 2

Ep 26 · 1965-10-02

S2E27

The Molemen, Part 3

Ep 27 · 1965-10-09

S2E28

The Molemen, Part 4

Ep 28 · 1965-10-09

S2E29

The Flying Sorcerers, Part 1

Ep 29 · 1965-10-16

S2E30

The Flying Sorcerers, Part 2

Ep 30 · 1965-10-16

S2E31

The Flying Sorcerers, Part 3

Ep 31 · 1965-10-23

S2E32

The Flying Sorcerers, Part 4

Ep 32 · 1965-10-23

S2E33

The Forget-Me-Net, Part 1

Ep 33 · 1965-10-30

S2E34

The Forget-Me-Net, Part 2

Ep 34 · 1965-10-30

S2E35

The Forget-Me-Net, Part 3

Ep 35 · 1965-11-06

S2E36

The Forget-Me-Net, Part 4

Ep 36 · 1965-11-06

S2E37

Whistler's Father, Part 1

Ep 37 · 1965-11-13

S2E38

Whistler's Father, Part 2

Ep 38 · 1965-11-13

S2E39

Whistler's Father, Part 3

Ep 39 · 1965-11-20

S2E40

Whistler's Father, Part 4

Ep 40 · 1965-11-20

S2E41

Simon Says.. No Thanksgiving, Part 1

Ep 41 · 1965-11-25

S2E42

Simon Says.. No Thanksgiving, Part 2

Ep 42 · 1965-11-25

S2E43

Simon Says.. No Thanksgiving, Part 3

Ep 43 · 1965-11-25

S2E44

Simon Says.. No Thanksgiving, Part 4

Ep 44 · 1965-11-25

S2E45

The Silver Thieves, Part 1

Ep 45 · 1965-11-27

S2E46

The Silver Thieves, Part 2

Ep 46 · 1965-11-27

S2E47

The Silver Thieves, Part 3

Ep 47 · 1965-12-11

S2E48

The Silver Thieves, Part 4

Ep 48 · 1965-12-11

S2E49

RiffRaffville, Part 1

Ep 49 · 1965-12-18

S2E50

RiffRaffville, Part 2

Ep 50 · 1965-12-18

S2E51

RiffRaffville, Part 3

Ep 51 · 1965-12-25

S2E52

RiffRaffville, Part 4

Ep 52 · 1965-12-25

S2E53

The Tickle Feather Machine, Part 1

Ep 53 · 1966-01-01

S2E54

The Tickle Feather Machine, Part 2

Ep 54 · 1966-01-01

S2E55

The Tickle Feather Machine, Part 3

Ep 55 · 1966-01-08

S2E56

The Tickle Feather Machine, Part 4

Ep 56 · 1966-01-08

S3E1

Underdog vs. Overcat, Part 1

Ep 1 · 1966-01-15

S3E2

Underdog vs. Overcat, Part 2

Ep 2 · 1966-01-15

S3E3

Underdog vs. Overcat, Part 3

Ep 3 · 1966-01-22

S3E4

Underdog vs. Overcat, Part 4

Ep 4 · 1966-01-22

S3E5

The Big Dipper, Part 1

Ep 5 · 1966-01-29

S3E6

The Big Dipper, Part 2

Ep 6 · 1966-01-29

S3E7

The Big Dipper, Part 3

Ep 7 · 1966-02-05

S3E8

The Big Dipper, Part 4

Ep 8 · 1966-02-05

S3E9

Just in Case, Part 1

Ep 9 · 1966-09-10

S3E10

Just In Case, Part 2

Ep 10 · 1966-09-10

S3E11

Just In Case, Part 3

Ep 11 · 1966-09-17

S3E12

Just In Case, Part 4

Ep 12 · 1966-09-17

S3E13

The Marbleheads, Part 1

Ep 13 · 1966-09-24

S3E14

The Marbleheads, Part 2

Ep 14 · 1966-09-24

S3E15

The Marbleheads, Part 3

Ep 15 · 1966-10-01

S3E16

The Marbleheads, Part 4

Ep 16 · 1966-10-01

S3E17

Simon Says, Be my Valentine, Part 1

Ep 17 · 1966-10-08

S3E18

Simon Says 'Be My Valentine', Part 2

Ep 18 · 1966-10-08

S3E19

Simon Says 'Be My Valentine', Part 3

Ep 19 · 1966-10-15

S3E20

Simon Says 'Be My Valentine', Part 4

Ep 20 · 1966-10-15

S3E21

Round and Round, Pt 1

Ep 21 · 1966-10-22

S3E22

Round and Round, Pt 2

Ep 22 · 1966-10-22

S3E23

Round and Round, Pt 3

Ep 23 · 1966-10-29

S3E24

Round and Round, Pt 4

Ep 24 · 1966-10-29

S3E25

A New Villain, Part 1

Ep 25 · 1966-11-05

S3E26

A New Villain, Part 2

Ep 26 · 1966-11-05

S3E27

A New Villain, Part 3

Ep 27 · 1966-11-12

S3E28

A New Villain, Part 4

Ep 28 · 1966-11-12

S3E29

Batty Man, Part 1

Ep 29 · 1966-11-19

S3E30

Batty Man, Part 2

Ep 30 · 1966-11-19

S3E31

Batty Man, Part 3

Ep 31 · 1966-11-26

S3E32

Batty Man, Part 4

Ep 32 · 1966-11-26

S3E33

The Vacuum Gun, Part 1

Ep 33 · 1966-12-03

S3E34

The Vacuum Gun, Part 2

Ep 34 · 1966-12-03

S3E35

The Vacuum Gun, Part 3

Ep 35 · 1966-12-10

S3E36

The Vacuum Gun, Part 4

Ep 36 · 1966-12-10

S3E37

Phoney Booths, Part 1

Ep 37 · 1965-09-04

S3E38

Phoney Booths, Part 2

Ep 38 · 1965-09-04

S3E39

Phoney Booths, Part 3

Ep 39 · 1965-09-11

S3E40

Phoney Booths, Part 4

Ep 40 · 1965-09-11