Get a closer look at some of Hollywood's perfect pairs.

Hollywood Power Couples

Get a closer look at some of Hollywood&#39;s perfect pairs.

These actors totally transform for their roles. See them in some of their most memorable moments.

The Greatest Character Actors of All Time

Celebrate some of the most iconic Asian actors from film and television, from [link=/name/nm1231899/]Priyanka Chopra Jonas[/link] to [link=/name/nm0702841]Ke Huy Quan[/link], plus many more.

Asian Icons of Film and Television

Celebrate some of the most iconic Asian actors from film and television, from <a class="ipc-md-link" href="/name/nm1231899/?ref_=ttpl_eds_right-7_lk">Priyanka Chopra Jonas</a> to <a class="ipc-md-link" href="/name/nm0702841?ref_=ttpl_eds_right-7_lk">Ke Huy Quan</a>, plus many more.

tvEpisode

When Helga's older sister, Olga, comes home from college and gets all of her parents' attention, Helga plots to sabotage her sister's visit. Arnold and Gerald save up cereal box tops to get a telescope before the arrival of Salley's Comet.

Plot

Olga Comes Home/Sally's Comet

Hey Arnold!

Summaries

Synopsis

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