S10·E23 Mister X
- Episode
- Season 10, Episode 23
- Air Date
- March 14, 1970
- Runtime
- 25 minutes
- Director
- Frederick de Cordova
- Story Type
- Core Character Arc
Core
Aired March 14, 1970 25 min
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Synopsis
A bearded man of mystery confounds the Douglas family and the authorities alike, while Steve is working on a top priority project at home. Barbara soon identifies him as her former father-in-law.
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Director & writers
Frederick de CordovaDirector
Guest stars
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Frequently Asked Questions
When did Season 10 Episode 23 of My Three Sons air?
Season 10, Episode 23 ('Mister X') originally aired on March 14, 1970.
How long is Season 10 Episode 23 ('Mister X')?
The runtime for this episode is approximately 25 minutes.
What happens in My Three Sons Season 10 Episode 23?
A bearded man of mystery confounds the Douglas family and the authorities alike, while Steve is working on a top priority project at home. Barbara soon identifies him as her former father-in-law....
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