Do I need to watch earlier episodes before “Masks”?

Watching earlier episodes in season 7 helps you follow the plot and character arcs leading into this episode.

Watch Star Trek: The Next Generation Season 7 Episode 17 Online

Q: Where can I watch “Star Trek: The Next Generation” Season 7 Episode 17 online?

This page provides episode info and a legal-only guide. It does not host streams or downloads. Check official platforms and licensed services for availability in your region (US first).

“Masks” — Watch "Star Trek: The Next Generation" Season 7 Episode 17 online in HD for free. Check streaming providers, cast, and episode details.

Feb 21, 1994 Season 7 Episode 17 45 min PG

5.7 ★ ★ ★ ★ ★

45 votes

Star Trek: The Next Generation Season 7

← Back TV Series

Where can I watch "Masks" online?

You can watch it through the button below, and it is free.

▶ Watch This Episode Now

Season 7 Episode 17 — Aired on Feb 21, 1994 • runs about 45 minutes.

Directed by Robert Wiemer.

Written by Joe Menosky.

Notable cast/guest names in this episode include Patrick Stewart, Jonathan Frakes, Brent Spiner, LeVar Burton.

This page includes 1 official still(s) (when available) plus legal availability links.

Looking for “watch Star Trek: The Next Generation Season 7 Episode 17 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

Stardate: 47615.2. The Enterprise is slowly transformed into an ancient alien temple when Data discovers an alien archive full of information about an ancient culture. Shortly after opening the archive, Data becomes possessed with several different personalities.