Jej partnerka woli inny kanał, bo tam leci lepsza komedia.

Jej means her.

It is the genitive/dative possessive form of ona (she), and in this sentence it works like an English possessive:

• jej partnerka = her partner

So the sentence is talking about a woman’s female partner.

Partnerka is the feminine form of partner.

• partner = male partner / partner (masculine noun)
• partnerka = female partner (feminine noun)

So jej partnerka tells you that the partner is female.

Grammatically, this also affects other words in the sentence, because adjectives and some verb forms agree with feminine nouns in certain contexts.

Woli means prefers.

It is the 3rd person singular form of the verb woleć:

• ja wolę = I prefer
• ty wolisz = you prefer
• on/ona woli = he/she prefers

So:

• Jej partnerka woli inny kanał = Her partner prefers a different channel

This is stronger and more specific than just chce (wants).

Because kanał is the direct object of woli, so it is in the accusative case.

For masculine inanimate nouns like kanał, the accusative singular looks the same as the nominative singular:

• nominative: inny kanał
• accusative: inny kanał

So even though the case changes, the form does not.

If it were a masculine animate noun, you would usually see a different accusative form.

It is in the accusative singular, because it is the thing being preferred:

• woli co? → inny kanał

Even though the form looks like the nominative, its function in the sentence is accusative.

Bo means because.

It is very common in everyday spoken and written Polish. It is slightly more conversational than words like:

• ponieważ = because
• gdyż = because / since

So:

• ..., bo tam leci lepsza komedia. = ..., because a better comedy is on there.

Using bo here sounds natural and normal.

Tam usually means there, but here it refers to that channel or on that channel.

So it does not mean a physical place like a building or city. It means something like:

• there
• over there
• on that one / on that channel

In context:

• bo tam leci lepsza komedia
  = because a better comedy is on there / on that channel

Yes, literally lecieć means to fly, but in Polish it is also very commonly used for things that are being shown, played, or broadcast.

So with TV, radio, films, songs, etc., leci can mean:

• is on
• is showing
• is airing
• is playing

Examples:

• W telewizji leci film. = A film is on TV.
• W radiu leci dobra piosenka. = A good song is playing on the radio.

So here:

• tam leci lepsza komedia = a better comedy is on there

This is a very natural colloquial Polish expression.

Because lepsza is an adjective, and it describes the noun komedia.

• dobry = good
• lepszy = better

Since komedia is feminine singular, the adjective must agree with it:

• masculine: lepszy
• feminine: lepsza
• neuter: lepsze

So:

• lepsza komedia = a better comedy

By contrast, lepiej is an adverb, meaning better in the sense of more well:

• Ona śpiewa lepiej. = She sings better.

You need the adjective here, not the adverb.

Komedia is in the nominative singular.

In the clause:

• tam leci lepsza komedia

the thing that is on / is airing is lepsza komedia, so it behaves like the grammatical subject.

That is why both the noun and adjective are in nominative:

• komedia
• lepsza

Yes. Polish word order is more flexible than English word order.

The original sentence:

• Jej partnerka woli inny kanał, bo tam leci lepsza komedia.

is neutral and natural.

But you could also hear variations like:

• Bo tam leci lepsza komedia, jej partnerka woli inny kanał.
• Jej partnerka woli inny kanał, bo leci tam lepsza komedia.
• Inny kanał woli jej partnerka, bo tam leci lepsza komedia.
  (more marked, with emphasis)

The word order changes the focus or emphasis, but not the core meaning.

Because jej means her referring to some other female person, usually someone already known from the context.

Swój / swoja / swoje is a reflexive possessive and refers back to the subject of the clause.

In this sentence, the subject is:

• partnerka

So using swoja partnerka would suggest her own partner referring back to that subject, which would not make sense here.

Therefore:

• jej partnerka = her partner (someone else’s partner, from the discourse context)

This is a common difference for English speakers, because English often just uses her or his, while Polish distinguishes ordinary possessives from reflexive swój.

Yes.

It has:

• bo = because
• tam = there / on that channel
• leci = is on / is airing
• lepsza komedia = a better comedy

So it is a full subordinate clause explaining why the partner prefers another channel.

A rough English-friendly guide:

• woli ≈ VOH-lee
• leci ≈ LEH-chee

A few helpful pronunciation points:

• Polish w sounds like English v
• Polish c sounds like ts
• But ci before a vowel-like ending often sounds like a soft ch sound, so leci sounds like LEH-chee

This is only an approximation, but it is close enough for a learner starting out.

Yes. Kanał can mean several things depending on context, for example:

• channel (TV channel)
• canal
• channel in a more abstract or technical sense

In this sentence, because of tam leci lepsza komedia, it clearly means a TV channel.

So:

• inny kanał = a different channel

not a canal or waterway.