Where can I watch “The Big Bang Theory” Season 12 Episode 5 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).

Do I need to watch earlier episodes before “Crise au planétarium”?

Watching earlier episodes in season 12 helps you follow the plot and character arcs leading into this episode.

Watch The Big Bang Theory Season 12 Episode 5 Online

“Crise au planétarium” — Watch "The Big Bang Theory" Season 12 Episode 5 online in HD for free. Check streaming providers, cast, and episode details.

Oct 18, 2018 Season 12 Episode 5 19 min PG

6.7 ★ ★ ★ ★ ★

40 votes

The Big Bang Theory Season 12

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Where can I watch "Crise au planétarium" online?

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Season 12 Episode 5 — Aired on Oct 18, 2018 • runs about 19 minutes.

Directed by Mark Cendrowski.

Written by Steve Holland, Tara Hernandez.

Notable cast/guest names in this episode include Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg.

This page includes 3 official still(s) (when available) plus legal availability links.

Looking for “watch The Big Bang Theory Season 12 Episode 5 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.

Synopsis

La responsable de planétarium où Raj donne des conférences souhaiterait inviter Howard, qui revient de l'ISS. Raj prend mal la nouvelle, craignant d'être éclipsé. Sheldon souhaiterait qu'Amy se consacre plus à leur projet de recherche commun, et dans son dos, demande à ce qu'elle soit remplacée dans ses projets actuels.