Yo-yo
A yo-yo was a round toy which shot up and down on a string.
While at the Time Lord Academy, the Doctor would skip classes to practice yo-yos and juggling. (PDA: Match of the Day)
The Doctor gave Mindy Voir a yo-yo in exchange for signing his copy of one of her albums. (CC: Helicon Prime)
The Doctor, realising that the Time Lords had programmed his TARDIS to always return to Earth, compared himself to "some kind of a galactic yo-yo". (DW: The Claws of Axos)
The Doctor's fourth persona was the one who most frequently kept a yo-yo on his person. Although he once used it to test local gravity (DW: The Ark in Space), he apparently used it primarily for fun. His skill with the yo-yo appeared to increase over time. (DW: The Android Invasion, The Brain of Morbius)
Leela spun the Doctor's yo-yo, thinking that it was part of the TARDIS' magic. (DW: The Robots of Death)
Romana once used the Doctor's yo-yo to test local gravity, and performed a complex figure-eight with it. (MA: The Romance of Crime)
On Silurian Earth, a yo-yo was found in the cloak pockets on the Doctor's body. (NA: Blood Heat)
It took Ace two weeks and tons of peer pressure to learn to use a yo-yo. (NA: Love and War)
Appearances of the Doctor's yo-yos
- NA: Timewyrm: Apocalypse
- PDA: The Murder Game
- DW: The Ark in Space
- DW: Genesis of the Daleks
- DW: Revenge of the Cybermen
- DW: The Brain of Morbius
- DW: The Seeds of Doom
- DW: The Masque of Mandragora
- DW: The Robots of Death
- DW: The Talons of Weng-Chiang
- MA: The Romance of Crime
- MA: The Well-Mannered War
- MA: Burning Heart
- DWM: The Useful Pile
- ST: Special Weapons
- PDA: The Hollow Men
- PDA: The Algebra of Ice
- NA: The Pit
- NA: Sky Pirates!
- NA: Head Games
- NA: The Death of Art
- DW: Doctor Who
- ST: The Time Lord's Story
- EDA: Frontier Worlds
- EDA: Coldheart
- EDA: The Space Age
- EDA: Escape Velocity
- EDA: Dark Progeny
- EDA: The City of the Dead
- NSA: The Price of Paradise
- IDW: Fugitive
