Riker at the engineering station of the NX-class Enterprise
"These Are the Voyages..." is the 22nd episode of the fourth season and series finale of Star Trek: Enterprise.
In 2161, the bridge officers of the NX-class spacecraft Enterprise have a casual discussion on the bridge of their ship, Captain Archer exiting from his ready room midway through the conversation. The officers mention both an upcoming ceremony – the signing of a charter between the members of an interstellar alliance, for which Archer is busy writing a speech – and the similarly imminent decommissioning of Enterprise, which Archer intends to postpone until after the charter has been signed.
Following a vocal command that signals all senior officers to report to the bridge, a bearded William T. Riker – having been quietly sitting at Enterprise's engineering station, dressed as a 22nd century Starfleet ensign of the command division – states a directive for a computer to "freeze program"; the environment of Enterprise's bridge and the other officers therein are actually holograms, and Riker's instruction was to the computer of the real ship he is aboard. After Riker saves and ends the simulation, the resultant change in his surroundings and uniform reveal he is, in fact, serving as a commander and is in the holodeck of the USS Enterprise-D, which he promptly exits...
ENT: Monday - Friday 6:30pm, reruns at 7:30am next weekday
TNG: Monday - Friday 3:15pm, reruns at 8:15am next weekday
VOY: Monday - Friday 4pm, reruns at 9am next weekday
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DS9: Saturday and Sunday 3pm (two episodes, both repeated at 9pm the same day)
ENT: Monday, Tuesday, Thursday 11:10pm (repeated at 2pm and 7pm next day), Wednesday and Friday 11:10pm, Saturday and Sunday 1pm (repeated at 1am the same day)
VIASAT 6 – VOY: Monday - Sunday 3pm (repeated at 2pm next day)
VOY: Weekdays at 4pm (repeated at 8am and 12pm on the following weekday; omnibus on Saturday from 9am to 2pm)
TNG: Weekdays at 6am and 7am (both episodes repeated at 10am and 11am on the same day; omnibus on Saturday from 4am to 12pm and on Sunday from 6am to 9am)
PICK TV – TNG: Weekdays at 8am, 9am, and 10am (repeated at 7pm, 8pm, and 9pm on the same day)