Underdog Facts, FAQ & Common Questions
1964 · NBC · Status: Ended · Rated: Not Rated
Frequently Asked Questions About Underdog
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does Underdog have?
Underdog has 3 seasons and 129 total episodes, spanning from its premiere on October 3, 1964 to December 10, 1966.
Is Underdog renewed, ended, or canceled?
Underdog has concluded its run and is officially ended.
How long does it take to binge watch Underdog?
It takes 21h 30m (1290 minutes) to watch the complete run of Underdog. At a standard pace of 2 hours per day, you will finish the entire series in approximately 11 days. Not realistic for a 48-hour weekend. At 21.5 total hours, watching at a healthy 2 hours per day will take approximately 11 days.
Where can you stream or watch Underdog?
Underdog is available for streaming on Digital on-demand platforms & broadcast archives. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for Underdog?
Underdog has an official content rating of Not Rated.
Who are the lead actors in Underdog?
The primary ensemble cast includes Wally Cox (age 48 (deceased)), Sandy Becker, Kenny Delmar (age 73 (deceased)), George S. Irving (age 103).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Wally Cox | Main Cast | 48 (deceased) |
| Sandy Becker | Main Cast | – |
| Kenny Delmar | Main Cast | 73 (deceased) |
| George S. Irving | Main Cast | 103 |
| Mort Marshall | Main Cast | – |
| Norma MacMillan | Main Cast | 105 |
| Delo States | Main Cast | – |
| Ben Stone | Main Cast | 111 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for Underdog are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.