Underdog - Season 3 - Eps 39: Phoney Booths, Part 3
Simon toys with Underdog who is now in his power after stepping into one of Simon's Phoney Booths. He makes him dance, bring the 1st National bank to him, and then has him retrieve the Empire State Building. Meanwhile, O.J. Squeeze, Sweet Polly's boss, informs her that Underdog is in Simon's power. Polly takes it upon herself to go out with an axe and destroy the booths. When Simon catches wind of this, he sends Underdog out to destroy Sweet Polly. Underdog arrives at Polly's location and she is trapped.
About Underdog

Title: Underdog
First Air Date: 1964-10-03
Last Air Date: 2000-02-01
Status: Ended
Rating: 6.2/10 (from 22 votes)
Language: EN
Seasons: 4
Total Episodes: 125
Network: NBC
Genres: Animation, Comedy
Production Companies: Total Television Productions, Leonardo Productions
Synopsis
Underdog, also known as The Underdog Show, is an American Saturday morning animated television series that ran from October 3, 1964, to March 4, 1967, starting on the NBC network until 1966, with the rest of the run on CBS, under the primary sponsorship of General Mills, for a run of 62 episodes. It is one of the early Saturday morning cartoons. The show continued in syndication until 1973. Underdog, Shoeshine Boy's heroic alter ego, appears whenever love interest Sweet Polly Purebred is being victimized by such villains as Simon Bar Sinister or Riff Raff. Underdog nearly always speaks in rhyming couplets, as in "There's no need to fear, Underdog is here!"
Cast

Wally Cox

Sandy Becker

Kenny Delmar

George S. Irving

Mort Marshall

Norma MacMillan

Delo States

Ben Stone

Allen Swift