Underdog - The Big Dipper pts. 1&2 - 1966

Underdog - The Big Dipper pts. 1&2 - 1966

Underdog - The Big Dipper pts. 1&2 - 1966

Underdog - The Big Dipper pts. 3&4 - 1966

Underdog - The Big Dipper pts. 3&4 - 1966

Underdog - The Big Dipper pts. 3&4 - 1966

Underdog - Underdog vs. Overcat pts. 3&4 - 1966

Underdog - Underdog vs. Overcat pts. 3&4 - 1966

Underdog -Underdog vs. Overcat pts. 1&2 - 1966

Underdog - Underdog vs. Overcat pts. 1&2 - 1966

Underdog - Underdog vs. Overcat pts. 3&4 - 1966

Underdog -Underdog vs. Overcat pts. 1&2 - 1966

Underdog - Simon Says, Be My Valentine pts. 3&4 - 1966

Underdog - The Marble Heads pts. 3&4 - 1966

Underdog - A New Villain pts. 1&2 - 1966

Underdog - Round and Round pts. 1&2 - 1966

Underdog -Round and Round pts. 1&2 - 1966

Underdog -A New Villain pts. 1&2 - 1966

Underdog - Simon Says, No Thanksgiving pts. 3&4 - 1966

Underdog - Round And Round pts. 3&4 - 1966

Underdog - The Silver Thieves pts.1&2 - 1966