Punky and Cherie send Henry on a blind date with Ms. Maytag, the school librarian, then they talk Betty into appearing on the TV show "Dream Date", where out of the three women on the show, overweight contestant Chuck McKinley chooses Betty.

Punky and Cherie enter a radio scriptwriting contest sponsored by a local radio station that has just changed its format from rock music to radio stories, and Punky, Cherie, and Margaux hope to win the grand prize trip to Disneyland, unless their opponents Garth Goobler and Grant Goobler, the self centered sons of a radio star, stand in their way. Punky, Cherie, and Margaux outdo the Goobler brothers and win the contest.

In the final episode of Punky Brewster: Punky and the gang throw a wedding for Brandon and another golden retriever named Brenda, who is owned by Punky's friend Myron. As Punky and the gang prepare for the wedding and the wedding takes place, there are flashbacks, focusing on some of Brandon's scenes from past episodes.