Superboy
S04E20 Metamorphosis
A fitness center proprietor has discovered a sinister method to maintain his youth by extracting the blood of his younger patrons and combining it with a gold compound. This dark practice not only prolongs his vitality but also rapidly accelerates the aging of his unsuspecting victims, leaving them to face the dire consequences of his greed.
Season 4 Episodes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
A Change of Heart (1)
A Change of Heart (2)
The Kryptonite Kid
The Basement
Darla Goes Ballistic
Paranoia
Know Thine Enemy (1)
Know Thine Enemy (2)
Hell Breaks Loose
Into the Mystery
To Be Human (1)
To Be Human (2)
West of Alpha Centauri
Threesome (1)
Threesome (2)
Out of Luck
Who is Superboy?
Cat and Mouse
Obituary for a Super Hero
Metamorphosis
Rites of Passage (1)
Rites of Passage (2)