[1] In the BBC television series; Goodnight Sweetheart, the main character; Gary Sparrow uses a time-portal to go back in time from the 1990s to World War II era Britain.
The science fiction TV series Torchwood centres most on the effects of a rift in both time and space, through which humans, aliens and devices emerge.
In the science fiction TV series Primeval, a group of scientists investigate time anomalies, through which creatures travel.
11.22.63 features a school teacher being sent by a terminally-ill friend to go back to the 1960s (via a time portal in a diner closet) to prevent the assassination of John F. Kennedy, adapted from the novel by Stephen King.
In the Final Fantasy XI expansion Wings of the Goddess, grotesque statues called Cavernous Maws serve as time portals to the age of the Crystal War.