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Slippers were items of comfortable human footwear usually worn indoors, and often in conjunction with pyjamas or a dressing gown.
Types of slipper
Specific types of slipper included carpet slippers, (PROSE: Oh No It Isn't!) pointed slippers, (PROSE: Doctor Who and the Crusaders) bunny slippers, (PROSE: Grimm Reality) and platform slippers. (COMIC: The Origin of Doctor Who Magazine)
History
12th century
In the 1190s Barbara wore a pair of pointed slippers. (PROSE: Doctor Who and the Crusaders)
16th century
When in 1560 Japan Chris Cwej was given slippers to replace his shoes. (PROSE: The Room With No Doors)
20th century
In 1987 Winnie Tyler wore slippers paired with an apron worn over a man's shirt. (PROSE: Damaged Goods)
In 1994 in Mexico City, Cristián Alvarez wore slippers while in hospital. (PROSE: The Left-Handed Hummingbird)
21st century

In the 2000s when Maria Jackson saw lights of an Arcateenian craft near Sarah Jane Smith's house she pulled on slippers before leaving her room to investigate. (PROSE: Invasion of the Bane)
During her travels with the Tenth Doctor, Donna Noble bought Nerys a pair of "tacky" slippers for Christmas. (COMIC: Frosty the Snowdemon) Wiccan once wore a pair of pink fluffy slippers while in he and Hulkling's apartment. (COMIC: Clone Drive)
Whilst pretending to be a Buddhist monk in circa 2030 Chris Cwej wore slippers. (PROSE: Warchild)
26th century
When she arrived on Dellah in 2593 Bernice Summerfield bought some new carpet slippers. (PROSE: Oh No It Isn't!)
27th century

In the 27th century, (PROSE: The Time Traveller's Almanac) passengers aboard Crusader 50 shuttle buses received complimentary slippers. (TV: Midnight)
29th century
In 2887 robot-influenced fashion in Kaldor City meant shoes based on the robots' slippers was considered high fashion. (PROSE: Corpse Marker)
Whilst on Albert in 2890 the Eighth Doctor joked that he could have a fetish for bunny slippers. (PROSE: Grimm Reality)
Other realities
The Daft Dimension

In the Daft Dimension, Dez Skinn once wore platform slippers to bed. (COMIC: The Origin of Doctor Who Magazine)