The Helpless Hippo

Air Date: December 31, 1961

Air Date: December 15, 1961

Air Date: March 1, 1954

Air Date: October 1, 1954

Air Date: January 1, 1954

Air Date: November 1, 1959

Air Date: July 1, 1953

Air Date: June 1, 1953

Air Date: January 1, 2008

Air Date: January 1, 1953

Air Date: November 1, 1952

Air Date: June 1, 1952

Air Date: March 1, 1952

Air Date: November 1, 1951

Air Date: June 1, 1951

Air Date: August 1, 1951

Air Date: April 1, 1951

Air Date: January 1, 2008

Air Date: December 1, 1950

Air Date: November 1, 1950

Air Date: June 23, 1950

Air Date: March 1, 1950

Air Date: October 1, 1949

Air Date: December 1, 1949

Air Date: April 1, 1949

Air Date: January 1, 2008

Air Date: February 1, 1949

Air Date: December 1, 1948

Air Date: November 1, 1948

Air Date: October 1, 1948

Air Date: September 1, 1948

Air Date: April 1, 1948

Air Date: July 1, 1948

Air Date: March 1, 1948

Air Date: December 26, 1947

Air Date: December 19, 1947

Air Date: November 14, 1947

Air Date: August 29, 1946

Air Date: October 10, 1947

Air Date: May 30, 1946

Air Date: January 1, 2008

Air Date: April 25, 1947

Air Date: February 14, 1947

Air Date: March 28, 1947

Air Date: January 10, 1947

Air Date: November 15, 1946

Air Date: September 6, 1946

Air Date: September 20, 1946

Air Date: August 16, 1946

Air Date: August 16, 1946

Air Date: June 28, 1946

Air Date: May 3, 1946

Air Date: March 29, 1946

Air Date: March 8, 1946

Air Date: January 18, 1946

Air Date: December 14, 1945

Air Date: November 12, 1943

Air Date: October 7, 1943

Air Date: August 6, 1943

Air Date: June 11, 1943

Air Date: February 5, 1943

Air Date: November 27, 1942

Air Date: October 16, 1942

Air Date: November 5, 1945

Air Date: August 3, 1945

Air Date: July 20, 1945

Air Date: June 8, 1945

Air Date: April 13, 1945

Air Date: March 9, 1945

Air Date: February 2, 1945

Air Date: January 12, 1945

Air Date: November 17, 1944

Air Date: October 13, 1944

Air Date: September 1, 1944

Air Date: July 7, 1944

Air Date: June 22, 1944

Air Date: June 16, 1944

Air Date: April 28, 1944

Air Date: March 17, 1944